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//@Author: KeinYukiyoshi
// clang-format off
#include <bits/stdc++.h>
//#pragma GCC optimize("Ofast")
//#pragma GCC target("avx")
#define int long long
using namespace std;
#define stoi stoll
#define fi first
#define se second
#define rep(i, n) for(int i=0, i##_len=(n); i<i##_len; i++)
#define rep2(i, a, b) for (int i = (int)(a), i##_len=(b); i < i##_len; i++)
#define rep3(i, a, b) for (int i = (int)(a), i##_len=(b); i >= i##_len; i--)
#define FOR(i, a) for (auto &i: a)
#define ALL(obj) begin(obj), end(obj)
#define _max(x) *max_element(ALL(x))
#define _min(x) *min_element(ALL(x))
#define _sum(x) accumulate(ALL(x), 0LL)
const int MOD = 998244353;
const int INF = (int)(1e13 + 7);
const double EPS = 1e-8;
const double PI = 3.14159265358979;
template <class T> using V = vector<T>;
template <class T> using VV = vector<vector<T>>;
template <class T> using VVV = vector<vector<vector<T>>>;
template <class T, class S> using P = pair<T, S>;
template<class T> bool chmax(T &a, const T &b) {if (a < b) {a = b;return true;}return false;}
template<class T> bool chmin(T &a, const T &b) {if (b < a) {a = b;return true;}return false;}
int _ceil(int a, int b) { return (a >= 0 ? (a + (b - 1)) / b : (a - (b - 1)) / b); }
int _mod(int a) {return a >= 0 ? a % MOD : a - (MOD * _ceil(a, MOD));}
int _pow(int a, int b) {int res = 1;for (a %= MOD; b; a = a * a % MOD, b >>= 1)if (b & 1) res = res * a % MOD;return res;}
struct mint {long long x;mint(long long x = 0) : x((x % MOD + MOD) % MOD) {}mint operator-() const { return mint(-x); }mint &operator+=(const mint a) {if ((x += a.x) >= MOD) x -= MOD;return *this;}mint &operator-=(const mint a) {if ((x += MOD - a.x) >= MOD) x -= MOD;return *this;}mint &operator*=(const mint a) { (x *= a.x) %= MOD;return *this; }mint operator+(const mint a) const { return mint(*this) += a; }mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; }mint pow(long long t) const {if (!t) return 1;mint a = pow(t >> 1);a *= a;if (t & 1) a *= *this;return a;}mint inv() const { return pow(MOD - 2); }mint &operator/=(const mint a) { return *this *= a.inv(); }mint operator/(const mint a) const { return mint(*this) /= a; }};istream &operator>>(istream &is, mint &a) { return is >> a.x; }ostream &operator<<(ostream &os, const mint &a) { return os << a.x; }
// clang-format on
class DSkyReflector {
public:
static void solve(istream &cin, ostream &cout) {
cin.tie(nullptr);
cout.tie(nullptr);
ios::sync_with_stdio(false);
cout << fixed << setprecision(15);
int N, M, K;
cin >> N >> M >> K;
mint ans = 0;
if (N == 1 and M == 1) {
cout << K << endl;
return;
} else if (N == 1) {
ans += _pow(K, M);
cout << ans << endl;
return;
} else if (M == 1) {
ans += _pow(K, N);
cout << ans << endl;
return;
}
rep2(i, 1, K + 1) {
mint now = 1;
now *= _pow(i, N) - _pow(i - 1, N);
now *= _pow(K - i + 1, M);
ans += now;
}
cout << ans << endl;
}
};
signed main() {
DSkyReflector solver;
std::istream& in(std::cin);
std::ostream& out(std::cout);
solver.solve(in, out);
return 0;
}
| #include <iostream>
#include <cstdio>
#include <fstream>
#include <algorithm>
#include <cmath>
#include <deque>
#include <vector>
#include <queue>
#include <string>
#include <cstring>
#include <map>
#include <stack>
#include <set>
#include <bits/stdc++.h>
using namespace std;
#define lson 2*i
#define rson 2*i+1
#define LS l,mid,lson
#define RS mid+1,r,rson
#define UP(i,x,y) for(i=x;i<=y;i++)
#define DOWN(i,x,y) for(i=x;i>=y;i--)
#define MEM(a,x) memset(a,x,sizeof(a))
#define W(a) while(a)
#define gcd(a,b) __gcd(a,b)
#define ll long long
#define MAX 1000005
#define MOD 1000000007
#define INF 0x3f3f3f3f
#define EXP 1e-8
#define lowbit(x) (x&-x)
ll gcd(ll p,ll q){return q==0?p:gcd(q,p%q);}
ll qpow(ll p,ll q){ll f=1;while(q){if(q&1)f=f*p;p=p*p;q>>=1;}return f;}
int main () {
int n;
cin >> n;
int x0, y0, x2, y2;
cin >> x0 >> y0; cin >> x2 >> y2;
double deg = acos(-1.0) * 2 / (float)n;
double r = sqrt(pow(x0-x2, 2) + pow(y0-y2, 2))/2.0;
double x = (float)(x0 + x2) / 2.0, y = (float)(y0+y2) / 2.0;
double deg2 = acos((x0-x) / (float) r);
if (y0 - y < 0) deg2 = 2 * acos(-1.0) - deg2;
double deg3 = deg2+deg;
// cout << deg2 / acos(-1.0) * 180 << endl;
double retx = x + cos(deg3) * r, rety = y + sin(deg3) * r;
printf("%.12lf %.12lf", retx, rety);
return 0;
} |
#include <bits/stdc++.h>
#define loop(s, e, i) for (int i = s; i < e; ++i)
#define print(s) cout << s << endl;
#define DIV 1000000007
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const int INF = 1e9+7;
ll ceildiv(ll a, ll b) { return (a+b-1)/b; } // 切り上げ
ll floordiv(ll a, ll b) { return a/b; } // 切り下げ
int show_matrix(vector<vector<int>> &dp) {
loop(0, dp.size(), i) {
loop(0, dp[i].size(), j) {
cout << dp[i][j] << " ";
}
cout << endl;
}
return 0;
}
/*
浮動小数点の入力
cout << fixed << setprecision(9) << endl;
*/
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
ll H, W, X, Y;
cin >> H >> W >> X >> Y;
X--; Y--;
vector<vector<ll>> M(H, vector<ll>(W));
loop(0, H, i) {
string s;
cin >> s;
loop(0, W, j) {
if (s[j] == '#') {
M[i][j] = 1;
}
}
}
ll count = 0;
for (int i=Y; i >= 0; i--) {
if (M[X][i] == 1) {
break;
} else {
count++;
}
}
for (int i=Y; i < W; i++) {
if (M[X][i] == 1) {
break;
} else {
count++;
}
}
for (int i=X; i >= 0; i--) {
if (M[i][Y] == 1) {
break;
} else {
count++;
}
}
for (int i=X; i < H; i++) {
if (M[i][Y] == 1) {
break;
} else {
count++;
}
}
print(count - 3);
}
| #include <iostream>
#include <algorithm>
#include <numeric>
#include <vector>
#include <queue>
#include <string>
#include <math.h>
#include <functional>
#include <iomanip>
#include <set>
#include <map>
#include <numeric>
#include <cstdint>
using namespace std;
#define rep(i,n) for(int i=0;i<n;++i)
using ll = long long;
template <ll ModVal>
struct ModInt {
ll x;
ModInt(ll _x = 0) : x((_x% ModVal + ModVal) % ModVal) {
}
ModInt operator-() const {
return ModInt(-x);
}
ModInt& operator+=(const ModInt a) {
x += a.x;
if (x >= ModVal)
x -= ModVal;
return *this;
}
ModInt& operator-=(const ModInt a) {
x = x + ModVal - a.x;
if (x >= ModVal)
x -= ModVal;
return *this;
}
ModInt& operator*=(const ModInt a) {
x *= a.x;
x %= ModVal;
return *this;
}
ll ext_gcd(ll a, ll b, ll& x, ll& y) {
if (b == 0) {
x = 1;
y = 0;
return a;
}
ll tmp = a / b;
ll d = ext_gcd(b, a - b * tmp, y, x);
y -= tmp * x;
return d;
}
// 逆元
ModInt inv(const ModInt a) {
ll u, v;
ext_gcd(a.x, ModVal, u, v);
return ModInt(u);
}
ModInt& operator/=(const ModInt a) {
return (*this) *= inv(a);
}
ModInt operator+(const ModInt a) const {
ModInt retval(*this);
return retval += a;
}
ModInt operator-(const ModInt a) const {
ModInt retval(*this);
return retval -= a;
}
ModInt operator*(const ModInt a) const {
ModInt retval(*this);
return retval *= a;
}
ModInt operator/(const ModInt a) const {
ModInt retval(*this);
return retval /= a;
}
ModInt pow(ll n) {
ModInt ans(1);
while (n) {
if (n & 1)
ans = ans * x;
*this = (*this) * (*this);
n = n >> 1;
}
return ans;
}
constexpr const ll& value() {
return this->x;
}
};
template <ll ModVal>
ostream& operator<<(ostream & os, const ModInt<ModVal>&a) {
os << a.x;
return os;
}
#define mod (ll)(1e9 + 7)
using mint = ModInt<mod>;
int main(){
int H,W;cin>>H>>W;
int X,Y;cin>>X>>Y;
vector<string> m(H);
for (int i = 0; i < H; i++) {
cin>>m[i];
}
X-=1;Y-=1;
int ans = 0;
for (int i = 1; i+X < H; i++) {
if (m[i + X][Y] == '#') {
break;
}
if (m[i + X][Y] == '.') {
ans++;
}
}
for (int i = 1; -i+X >=0; i++) {
if (m[-i + X][Y] == '#') {
break;
}
if (m[-i + X][Y]=='.') {
ans++;
}
}
for (int i = 1; i+Y < W; i++) {
if (m[X][Y + i] == '#') {
break;
}
if (m[X][Y + i] == '.') {
ans++;
}
}
for (int i = 1; -i+Y >=0; i++) {
if (m[X][Y - i] == '#') {
break;
}
if (m[X][Y - i] == '.') {
ans++;
}
}
ans++;
cout<<ans;
} |
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i=0; i<(int)(n); i++)
#define rep1(i, n) for(int i=1; i<=(int)(n); i++)
#define rep2(i, n, m) for(int i=(int)n; i<=(int)m; i++)
typedef long long ll;
typedef vector<int> vi;
typedef vector<vi> wi;
typedef vector<ll> vl;
const ll inf=1LL<<60;
template<ll m> struct ModInt{
ll val;
constexpr ModInt(ll v=0) noexcept : val(v%m){
if(val<0)val+=m;
}
constexpr ll getmod(){return m;}
constexpr ModInt operator - () const noexcept{
return val ? m-val : 0;
}
constexpr ModInt operator + (const ModInt& r)const noexcept{return ModInt(*this) += r;}
constexpr ModInt operator - (const ModInt& r)const noexcept{return ModInt(*this) -= r;}
constexpr ModInt operator * (const ModInt& r)const noexcept{return ModInt(*this) *= r;}
constexpr ModInt operator / (const ModInt& r)const noexcept{return ModInt(*this) /= r;}
constexpr ModInt& operator += (const ModInt& r)noexcept{
val+=r.val;
if(val>=m)val-=m;
return *this;
}
constexpr ModInt& operator -= (const ModInt& r)noexcept{
val-=r.val;
if(val<0)val+=m;
return *this;
}
constexpr ModInt& operator *= (const ModInt& r)noexcept{
val=val*r.val%m;
return *this;
}
constexpr ModInt& operator /= (const ModInt& r)noexcept{
ll a=r.val, b=m, u=1, v=0;
while(b){
ll t=a/b;
a-=t*b;swap(a, b);
u-=t*v;swap(u, v);
}
val=val*u%m;
if(val<0)val+=m;
return *this;
}
constexpr bool operator == (const ModInt& r)const noexcept{
return this->val == r.val;
}
constexpr bool operator != (const ModInt& r)const noexcept{
return this->val != r.val;
}
friend constexpr ostream& operator << (ostream &os, const ModInt<m>& x)noexcept{
return os << x.val;
}
friend constexpr istream& operator >> (istream &is, ModInt &x){
is >> x.val;
x=ModInt(x.val);
return is;
}
friend constexpr ModInt<m> modpow(const ModInt<m> &a, ll n)noexcept{
if(n==0)return 1;
auto t=modpow(a, n/2);
t=t*t;
if(n&1)t=t*a;
return t;
}
friend constexpr ModInt<m> modinv(const ModInt<m> &a)noexcept{
ll b=m, u=1, v=0;
while(b){
ll t=a/b;
a-=t*b;swap(a, b);
u-=t*v;swap(u, v);
}
u%=m;
if(u<0)u+=m;
return u;
}
};
const ll mod1=1000000007;
const ll mod9=998244353;
using mint = ModInt<mod9>;
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
mint a, b, c;
cin >> a >> b >> c;
cout << (a*(a+1)*b*(b+1)*c*(c+1))/8 << endl;
return 0;
} | #pragma GCC optimize("O3")
#pragma GCC target("sse4")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned int uint;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpii;
#define FOR(i, a, b) for (int i = a; i <= (b); i++)
#define F0R(i, a) for (int i = 0; i < (a); i++)
#define FORd(i, a, b) for (int i = (b); i >= a; i--)
#define F0Rd(i, a) for (int i = (a)-1; i >= 0; i--)
#define trav(a, x) for (auto &a : x)
#define sz(x) (int)(x).size()
#define popcnt(x) __builtin_popcount(x)
#define low_bo(a, x) (lower_bound(a.begin(), a.end(), x) - a.begin())
#define up_bo(a, x) (upper_bound(a.begin(), a.end(), x) - a.begin())
#define unique(a) a.resize(unique(a.begin(), a.end()) - a.begin())
#define shuffle(a) shuffle(a.begin(), a.end(), rnd)
#define mp make_pair
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lb lower_bound
#define ub upper_bound
#define all(x) x.begin(), x.end()
#define ins insert
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const int MOD = 998244353;
const char nl = '\n';
const int MX = 200001; //check the limits, dummy
ll p[MX];
void init() {
p[0]=1;
for(int i=1; i<MX; i++) {
p[i]=(p[i-1]*2)%MOD;
}
}
void solve(int t) {
int n;
cin>>n;
vl arr(n);
F0R(i,n) {
cin>>arr[i];
}
sort(all(arr));
ll ret=0;
ll sm[2][n];
sm[0][0]=0;
sm[1][0]=0;
for(int i=1; i<n; i++) {
sm[0][i]=((sm[0][i-1]*2+arr[i-1])%MOD)%MOD;
// sm[1][i]=(sm[1][i-1]+(arr[i]*pow[i-1])%MOD)%MOD;
}
// F0R(i,n) {
// cout << sm[0][i]<<nl;
// }
F0R(i,n) {
ret=(ret+(arr[i]*(sm[0][i]+arr[i]))%MOD)%MOD;
// cout << ret <<nl;
}
cout << ret <<nl;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cout.precision(20);
cout << fixed;
init();
int T = 1;
F0R(i,T) {
solve(i+1);
}
}
// read the question correctly (ll vs int)
// template by bqi343 |
#include "bits/stdc++.h"
#define int long long int
#define mp make_pair
#define pb emplace_back
#define F first
#define S second
using vi = std::vector<int>;
using vvi = std::vector<vi>;
using pii = std::pair<int, int>;
using vpii = std::vector<pii>;
using vvpii = std::vector<vpii>;
using namespace std;
const int inf = 1e18 + 10;
const int N = 2e6 + 10;
int n, taka;
long double a[N], l, r, ans = inf, m1, m2;
long double f(long double x) {
long double cost = 0;
for (int i = 1; i <= n; i++) {
cost += max(x, a[i] - x);
}
ans = min(ans, cost);
return cost;
}
void solve() {
cin >> n;
for (int i = 1; i <= n; i++) {
cin >> a[i];
}
r = inf;
while (l / (long double) n <= r / (long double) n - 1e-6) {
m1 = (r - l) / 3.0 + l;
m2 = r - (r - l) / 3.0;
if (f(m1) < f(m2))
r = m2;
else
l = m1;
}
cout << fixed << setprecision(6) << ans / (long double) n;
}
int32_t main() {
ios_base::sync_with_stdio(false); cin.tie(0);
solve(); return 0;
return 0;
} | /**
* code generated by JHelper
* More info: https://github.com/AlexeyDmitriev/JHelper
* @author
*/
#include <iostream>
#include <fstream>
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <functional>
#include <iostream>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <unordered_set>
#include <unordered_map>
#include <vector>
#define pb push_back
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(),(v).end()
#define mp make_pair
using namespace std;
typedef long long int64;
typedef vector<int> vi;
typedef pair<int, int> ii;
class TaskC {
public:
void solveOne(istream &in, ostream &out) {
int n;
int l;
in >> n;
in >> l;
vector<int> a(n + 2);
vector<int> b(n + 2);
for (int i = 1; i <= n; ++i) {
in >> a[i];
a[i] -= i;
}
for (int i = 1; i <= n; ++i) {
in >> b[i];
b[i] -= i;
}
a[n + 1] = b[n + 1] = l + 1 - (n + 1);
n += 2;
int ai = 0;
int64 res = 0;
for (int i = 0; i < n;) {
int j = i;
int val = b[i];
while (j < n && b[j] == val) ++j;
while (ai < n && a[ai] < val) ++ai;
if (ai >= n || a[ai] != val) {
out << -1 << "\n";
return;
}
int aj = ai;
while (aj < n && a[aj] == val) ++aj;
res += max(0, ai - i);
res += max(0, j - aj);
i = j;
}
out << res << "\n";
}
void solve(std::istream &in, std::ostream &out) {
int nt = 1;
for (int it = 0; it < nt; ++it) {
solveOne(in, out);
}
}
};
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
TaskC solver;
std::istream& in(std::cin);
std::ostream& out(std::cout);
solver.solve(in, out);
return 0;
}
|
/**
* Author: dhruv_gheewala
* Problem: __________
* Date: 19.12.2020
* Time: 17:37:15
**/
#if __has_include("debug.h")
#include "debug.h"
#else
#include<bits/stdc++.h>
using namespace std;
#define fundri 108
#define debug(...) 1729
#endif
#define endl '\n'
#define int int64_t
typedef pair<int, int> pii;
typedef vector<int> vi;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
inline int rnd(int l = 0, int r = INT_MAX) {return uniform_int_distribution<int>(l, r)(rng);}
bool in_range(int x, int l, int r) {return l <= x && x <= r;}
template<typename H, typename ...T>void inp(H &head) {cin >> head;}
template<typename H, typename ...T>void inp(H &head, T &...tail) {cin >> head;inp(tail...);}
template<typename T>inline istream &operator >>(istream &in, vector<T> &a) {for(T &x : a)in >> x; return in;}
template<typename T, typename U>inline istream &operator >>(istream &in, pair<T, U> &a) {in >> a.first >> a.second; return in;}
// Multi-Dimension Vector
// Usage: vec<n, data-type> dp(dimention-1, dimention-2, ..., dimention-n, default = data-type())
template<int D, typename T> struct vec : public vector<vec<D - 1, T>>
{
static_assert(D >= 1, "Vector dimensions must be greater than zero !!");
template<typename... Args>
vec(int n = 0, Args... args) : vector<vec<D - 1, T>>(n, vec<D - 1, T>(args...)){}
};
template<typename T> struct vec<1, T> : public vector<T> {vec(int n = 0, T val = T()) : vector<T>(n, val){}};
const int inf = 1e15;
const bool testcases = false;
void init_main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
#ifdef DHRUV_GHEEWALA
freopen("in.txt", "r", stdin);
freopen("out.txt", "w", stdout);
freopen("debug.txt", "w", stderr);
#endif
}
void solve(int tc)
{
int h, w;
cin >> h >> w;
vec<2, int> a(h, w);
cin >> a;
int mini = inf;
for(int i = 0; i < h; i++) {
for(int j = 0; j < w; j++)
mini = min(mini, a[i][j]);
}
int res = 0;
for(int i = 0; i < h; i++) {
for(int j = 0; j < w; j++)
res += a[i][j] - mini;
}
cout << res << endl;
}
int32_t main(int32_t argc, char **argv)
{
init_main();
int TC = 1;
if(testcases)
cin >> TC;
for(int tc = 1; tc <= TC; ++tc) {
solve(tc);
fundri;
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define for0(i, n) for (int i = 0; i < (n); ++i)
#define cinb(a, b) cin >> a >> b;
template <class T>
inline bool chmax(T& a, T b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
using ll = long long;
#define p(ans) cout << ans << endl;
ll n, m, k;
ll ab[110][2], cd[110][2];
ll memo[110];
//
int main() {
cin.tie(0);
ios_base::sync_with_stdio(false);
cinb(n, m);
for0(i, m) cin >> ab[i][0] >> ab[i][1];
cin >> k;
for0(i, k) cin >> cd[i][0] >> cd[i][1];
ll ans = 0;
for0(i, 1 << k) {
for0(j, n) memo[j] = 0;
for0(j, k) memo[cd[j][(i >> j) & 1] - 1] = 1;
ll cnt = 0;
for0(j, m) cnt += (memo[ab[j][0] - 1] & memo[ab[j][1] - 1]);
chmax(ans, cnt);
}
p(ans);
}
|
#include<bits/stdc++.h>
using namespace::std;
long long n;
int m;
long long add(long long a, long long b, long long mod){
return (a + b) % mod;
}
long long mul(long long a, long long b, long long mod){
long long r = 0;
while(b > 0){
if(b & 1) r = add(r, a, mod);
a = add(a, a, mod);
b >>= 1;
}
return r;
}
long long pow_mod(long long a, long long b, long long mod){
long long r = 1 % mod;
while(b > 0){
if(b & 1) r = mul(a, r, mod);
a = mul(a, a, mod);
b >>= 1;
}
return r;
}
int main(){
cin >> n >> m;
long long R = pow_mod(10, n, 1LL * m * m);
long long r = R % m;
printf("%lld\n", (R - r) / m);
return 0;
}
| #include <iostream>
using namespace std;
typedef long long ll;
#define min(x,y) ((x)<(y)?(x):(y))
#define max(x,y) ((x)<(y)?(y):(x))
ll comb(ll n, ll k){
if (k == 0 || k == n) return 1;
if (k == 1 || k == n-1) return n;
return comb(n-1,k)+comb(n-1,k-1);
}
int main(){
ll n,k;cin >> n >> k;--k;
for(ll xyz=3;xyz<=3*n;++xyz){
if(xyz <= n+1){
ll xmax = xyz-2;
ll s = (2*xyz-3-xmax)*xmax/2;
if(s <= k){
k -= s;
continue;
}
for(ll x=1;x<=xmax;++x){
ll c = xyz-1-x;
if(c <= k){
k -= c;
continue;
}
ll y=1+k;
cout << x << " " << y << " " << (xyz-x-y) << "\n";
return 0;
}
}else if(xyz < 2*n+1){
ll xmax = xyz-n-1;
ll s = (4*n-2*xyz+xmax+3)*xmax/2;
if(s <= k){
k -= s;
}else{
for(ll x=1;x<=xmax;++x){
ll c = 2*n-xyz+1+x;
if(c <= k){
k -= c;
continue;
}
ll y=xyz-n-x+k;
cout << x << " " << y << " " << (xyz-x-y) << "\n";
return 0;
}
}
ll xmin = xyz-n;
s = (2*xyz-2-n-xmin)*(n-xmin+1)/2;
if(s <= k){
k -= s;
continue;
}
for(ll x=xmin;x<=n;++x){
ll c = xyz-1-x;
if(c <= k){
k -= c;
continue;
}
ll y=1+k;
cout << x << " " << y << " " << (xyz-x-y) << "\n";
return 0;
}
}else{
ll s = (3*n-xyz+2)*(3*n-xyz+1)/2;
if(s <= k){
k -= s;
continue;
}
for(ll x=xyz-2*n;x<=n;++x){
ll c = 2*n-xyz+1+x;
if(c <= k){
k -= c;
continue;
}
ll y=xyz-n-x+k;
cout << x << " " << y << " " << (xyz-x-y) << "\n";
return 0;
}
}
}
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> p_ll;
template<class T>
void debug(T itr1, T itr2) { auto now = itr1; while(now<itr2) { cout << *now << " "; now++; } cout << endl; }
#define repr(i,from,to) for (ll i=(ll)from; i<(ll)to; i++)
#define all(vec) vec.begin(), vec.end()
#define rep(i,N) repr(i,0,N)
#define per(i,N) for (ll i=(ll)N-1; i>=0; i--)
#define popcount __builtin_popcount
const ll MOD = pow(10,9)+7;
const ll LLINF = pow(2,61)-1;
const ll INF = pow(2,30)-1;
vector<ll> fac;
void c_fac(ll x=pow(10,7)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; }
ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { ll d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; }
ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; }
ll modpow(ll x, ll p) { ll result = 1, now = 1, pm = x; while (now<=p) { if (p&now) { result = result * pm % MOD; } now*=2; pm = pm*pm % MOD; } return result; }
ll gcd(ll a, ll b) { if (a<b) swap(a,b); return b==0 ? a : gcd(b, a%b); }
ll lcm(ll a, ll b) { return a/gcd(a,b)*b; }
struct edge { ll i, a, b, rev; };
vector<vector<edge>> adj;
vector<ll> toa;
void dfs(ll n, ll p=-1) {
for (auto x: adj[n]) {
if (toa[x.i]==-1) {
toa[x.i] = x.rev;
dfs(x.a,n);
}
}
}
int main() {
ll N, M; cin >> N >> M;
edge e[M];
rep(i,M) {
e[i].rev = false;
e[i].i = i;
cin >> e[i].a >> e[i].b; e[i].a--; e[i].b--;
}
ll c[N]; rep(i,N) cin >> c[i];
adj.resize(N);
toa.resize(M,-1);
rep(i,M) {
if (c[e[i].a]>c[e[i].b]) toa[e[i].i] = false;
else if (c[e[i].a]<c[e[i].b]) toa[e[i].i] = true;
else {
// toはaを使う
adj[e[i].a].push_back({e[i].i,e[i].b,e[i].a,false});
adj[e[i].b].push_back({e[i].i,e[i].a,e[i].b,true});
}
}
rep(i,N) dfs(i);
rep(i,M) {
string result = toa[i] ? "<-" : "->";
cout << result << endl;
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
template <typename T> void read(T &t) {
t=0; char ch=getchar(); int f=1;
while (ch<'0'||ch>'9') { if (ch=='-') f=-1; ch=getchar(); }
do { (t*=10)+=ch-'0'; ch=getchar(); } while ('0'<=ch&&ch<='9'); t*=f;
}
int n,m,X[100010],Y[100010],c[110];
vector<int> g[110];
int ans[110][110];
bool vis[110];
int st[110],tot,flag,inst[110];
vector<int> hi,cyc;
int sz,on[110],ban[110];
void dfs(int u,int p) {
//printf("%d\n",u);
vis[u]=1; st[++tot]=u; inst[u]=1;
hi.push_back(u);
for (int i=0,v;i<g[u].size();i++) {
v=g[u][i];
if (v==p) continue;
if (!vis[v]) {
dfs(v,u);
} else if (inst[v]&&!flag) {
flag=1;
for (int j=tot;j>=1;j--) {
cyc.push_back(st[j]);
if (st[j]==v) break;
}
}
}
inst[u]=0,tot--;
}
int tim,ora[110],ts,fx;
void sc(int u) {
if (ora[u]==tim) return; ora[u]=tim;
st[++tot]=u,inst[u]=1;
if (on[u]) {
if (!fx) {
for (int i=1;i<tot;i++) ans[st[i]][st[i+1]]=1,ans[st[i+1]][st[i]]=0;
} else {
for (int i=1;i<tot;i++) ans[st[i+1]][st[i]]=1,ans[st[i]][st[i+1]]=0;
}
// for (int i=1;i<=tot;i++) printf("%d ",st[i]); printf("\n");
for (int i=2;i<=tot;i++) ban[st[i]]=ts;
flag=1; return;
}
for (int i=0,v;i<g[u].size();i++) {
v=g[u][i];
if (inst[v]) continue;
if (ans[v][u]!=-1&&ans[v][u]!=fx) continue;
sc(v); if (flag) return;
}
tot--,inst[u]=0;
}
int ttt[110],tttim;
bool fd(int u,bool f) {
if (on[u]) return 1;
if (ttt[u]==tttim) return 0;
ttt[u]=tttim;
for (int i=0,v;i<g[u].size();i++) {
v=g[u][i];
if (ans[u][v]==f) {
if (fd(v,f)) return 1;
}
}
return 0;
}
vector<int> G[110];
int t[110],cnt;
void ddfs(int u) {
if (t[u]) return;
t[u]=1,cnt++;
for (int i=0,v;i<G[u].size();i++) {
v=G[u][i];
ddfs(v);
}
}
int main() {
read(n),read(m); int x,y;
for (int i=1;i<=m;i++) {
read(x),read(y);
X[i]=x,Y[i]=y;
}
memset(ans,-1,sizeof(ans));
for (int i=1;i<=n;i++) read(c[i]);
for (int i=1;i<=m;i++) {
x=X[i],y=Y[i];
if (c[x]==c[y]) {
g[x].push_back(y),g[y].push_back(x);
//printf("add %d %d\n",x,y);
} else {
if (c[x]>c[y]) ans[x][y]=1,ans[y][x]=0; else ans[y][x]=1,ans[x][y]=0;
}
}
for (int i=1;i<=n;i++) if (!vis[i]) {
flag=0,cyc.clear(),hi.clear(),dfs(i,0);
sz=(int)cyc.size();
for (int j=0;j<sz;j++) ans[cyc[j]][cyc[(j+1)%sz]]=1,ans[cyc[(j+1)%sz]][cyc[j]]=0,on[cyc[j]]=1;
// for (int j=0;j<sz;j++) printf("%d ",cyc[j]); printf("\n");
if ((int)hi.size()==1) continue;
for (int j=0;j<hi.size();j++) {
x=hi[j];
ts++;
if (on[x]) continue;
tttim++;
if (!fd(x,1)) {
//printf("x1=%d\n",x);
tim++,flag=0,fx=0,sc(x);
assert(flag);
while (tot) inst[st[tot]]=0,tot--;
}
tttim++;
if (!fd(x,0)) {
//printf("x2=%d\n",x);
tim++,flag=0,fx=1,sc(x);
assert(flag);
while (tot) inst[st[tot]]=0,tot--;
}
on[x]=1;
}
}
for (int i=1;i<=m;i++) {
x=X[i],y=Y[i];
if (ans[x][y]) puts("->");
else puts("<-");
//if (ans[x][y]) G[x].push_back(y);//,printf("%d %d\n",x,y);
//else G[y].push_back(x);//,printf("%d %d\n",y,x);
}
/* for (int i=1;i<=n;i++) {
for (int j=1;j<=n;j++) t[j]=0; cnt=0;
ddfs(i);
if (cnt!=c[i]) printf("%d %d %d\n",i,cnt,c[i]);
}
//puts("");
puts("AC");*/
return 0;
}
/*
0. Enough array size? Enough array size? Enough array size? Interger overflow?
1. Think TWICE, Code ONCE!
Are there any counterexamples to your algo?
2. Be careful about the BOUNDARIES!
N=1? P=1? Something about 0?
3. Do not make STUPID MISTAKES!
Time complexity? Memory usage? Precision error?
*/ |
#include <bits/stdc++.h>
using namespace std;
using pii = pair<int, int>; using vpii = vector<pii>;
using vi = vector<int>; using vvi = vector<vi>;
using ll = long long;
using db = long double;
using pl = pair<ll, ll>; using vpl = vector<pl>;
using vl = vector<ll>; using vvl = vector<vl>;
using vc = vector<char>; using vvc = vector<vc>;
using vb = vector<bool>; using vvb = vector<vb>;
#define FOR(i, a, b) for(ll i=(a); i<(b); ++i)
#define FORE(i, a, b) for(ll i=(a); i<=(b); ++i)
#define ROF(i, a, b) for(ll i=(a); i>(b); --i)
#define ROFE(i, a, b) for(ll i=(a); i>=(b); --i)
#define all(x) begin(x), end(x)
#define rall(x) x.rbegin(), x.rend()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pb push_back
#define eb emplace_back
#define pf push_front
#define fi first
#define se second
#define _ ios_base::sync_with_stdio(0);cin.tie(0);
#define tpl template
#define tn typename
tpl <tn T>
istream& operator>> (istream& in, vector<T>&v) {
for(auto &x:v) in>>x;
return in;
}
tpl <tn T1, tn T2>
ostream& operator<< (ostream& out, const pair<T1,T2>& p) {
out<<p.fi<<' '<<p.se;
return out;
}
tpl <tn T>
ostream& operator<< (ostream& out, const vector<T>& v) {
for(auto x:v) out<<x<<' ';
return out;
}
tpl <tn T>
ostream& operator<< (ostream& out, const set<T>& st) {
for(auto x:st) out<<x<<' ';
return out;
}
tpl <tn T>
T mx(vector<T> A) {
T ans = 0;
for(auto x : A) ans = max(ans, x);
return ans;
}
tpl <tn T>
T mn(vector<T> A) {
T ans = 0;
for(auto x : A) ans = min(ans, x);
return ans;
}
tpl <tn T>
void ps(vector<T> &A){
partial_sum(all(A), A.begin());
return;
}
tpl <tn T>
void ad(vector<T> &A){
adjacent_difference(all(A), A.begin());
return;
}
ll n, k;
vvl vv;
vl rt;
vl sz;
vl fc;
ll fr(ll x) {return (rt[x]==x ? x : rt[x] = fr(rt[x]));}
void un(ll x, ll y){
x = fr(x), y = fr(y);
if(x == y) return;
if(sz[x] < sz[y]) swap(x, y);
rt[y] = x;
sz[x] += sz[y];
}
#define MOD 998244353
bool chv(ll x, ll y){
FOR(i, 0, n){
if(vv[i][x] + vv[i][y] > k) return 0;
}return 1;
}
bool chh(ll x, ll y){
FOR(i, 0, n){
if(vv[x][i] + vv[y][i] > k) return 0;
}return 1;
}
int main(){
cin >> n >> k;
vv.rsz(n, vl(n));
fc.rsz(n+1);
cin >> vv;
fc[0] = 1;
FORE(i, 1, n) fc[i] = fc[i-1] * i % MOD;
rt.rsz(n + n), sz.rsz(n + n, 1);
iota(all(rt), 0);
ll ans = 1;
FOR(i, 0, n-1) FOR(j, i+1, n){
if(chv(i, j)) un(i, j);
if(chh(i, j)) un(i + n, j + n);
}
FOR(i, 0, n + n) if(rt[i] == i) ans = ans * fc[sz[i]] % MOD;
cout << ans;
} | #include <bits/stdc++.h>
#define ll long long
#define ii pair<int, int>
#define pll pair<ll, ll>
#define dd pair<double, double>
#define vi vector<int>
#define vl vector<ll>
#define vd vector<double>
#define vii vector<ii>
#define vll vector<pll>
#define vdd vector<dd>
#define vvi vector<vi>
#define vvl vector<vl>
#define vvd vector<vd>
#define vvii vector<vii>
#define vvll vector<vll>
#define vvdd vector<vdd>
#define fi first
#define se second
#define uni(v) v.erase(unique(v.begin(), v.end()), v.end())
#define gcd(a, b) __gcd(a, b)
#define lcm(a, b) (ll) a / __gcd(a, b) * b
#define prt(v) \
for (auto& i : v) cout << i << " \n"[&i == &v.back()]
using namespace std;
void print();
template <typename T, typename... Args>
void print(T x, Args... args);
void solve(int T) {
int n;
cin >> n;
vi a(n);
for (int i = 0; i < n; ++i) {
string s;
cin >> s;
a[i] = s == "AND";
}
vvl dp(n + 1, vl(2, 0));
dp[0][0] = dp[0][1] = 1;
for (int i = 0; i < n; ++i) {
if (a[i]) {
dp[i + 1][0] = dp[i][0] * 2 + dp[i][1];
dp[i + 1][1] = dp[i][1];
} else {
dp[i + 1][0] = dp[i][0];
dp[i + 1][1] = dp[i][0] + dp[i][1] * 2;
}
}
cout << dp[n][1] << '\n';
}
int main() {
ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
int t = 1;
// cin >> t;
for (int i = 0; i++ < t;) solve(i);
return 0;
}
void print() { cout << "\n"; }
template <typename T, typename... Args>
void print(T x, Args... args) {
if (sizeof...(args)) {
cout << x << ' ';
print(args...);
} else {
cout << x << '\n';
}
} |
#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(false); cin.tie(0);
#define FOR(i,s,n) for(int i = (s); i < (n); i++)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) for(int i = (n); i >= 0; i--)
#define ALL(n) (n).begin(), (n).end()
#define RALL(n) (n).rbegin(), (n).rend()
#define ATYN(n) cout << ( (n) ? "Yes":"No") << '\n';
#define CFYN(n) cout << ( (n) ? "YES":"NO") << '\n';
#define OUT(n) cout << (n) << '\n';
using ll = long long;
using ull = unsigned long long;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
int main(void)
{
IOS
int n; cin >> n;
vector<ll> amax(n);
ll cmax = 0;
REP(i,n) {
ll a; cin >> a;
if (i != 0) amax[i] = max(a,amax[i-1]);
else amax[i] = a;
}
REP(i,n) {
ll b;
cin >> b;
cmax = max(cmax,amax[i] * b);
cout << cmax << '\n';
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int sz = 2e5+5;
ll a[sz], b[sz], ans[sz];
int main() {
int n;
cin >> n;
for(int i=1; i<=n; i++) scanf("%lld", &a[i]), a[i] = max(a[i-1], a[i]);
for(int i=1; i<=n; i++) scanf("%lld", &b[i]);
for(int i=1; i<=n; i++) {
ans[i] = max(ans[i-1], a[i] * b[i]);
printf("%lld\n", ans[i]);
}
}
|
#include<bits/stdc++.h>
#define forn(i,s,t) for(register int i=(s);i<=(t);++i)
#define form(i,s,t) for(register int i=(s);i>=(t);--i)
using namespace std;
typedef long long LL;
template<typename T>inline T Max(T A, T B) {return A>B?A:B;}
template<typename T>inline T Min(T A, T B) {return A<B?A:B;}
inline bool pd(char *s) {
return (s[0] == 'A');
}
const int N = 1e4+3, M = 1e5+3;
int n; char s[N][100]; LL t[N], f[N];
int main() {
scanf("%d", &n);
forn(i,1,n) scanf("%s", s[i]);
t[0] = f[0] = 1;
forn(i,1,n) {
if(pd(s[i])) {
t[i] = t[i-1];
f[i] = f[i-1]*2 + t[i-1];
} else {
t[i] = t[i-1]*2 + f[i-1];
f[i] = f[i-1];
}
}
printf("%lld\n", t[n]);
return 0;
}
// and -> T & T c
// or -> T | F
// T | T
// F | T | #include <bits/stdc++.h>
#define ios ios::sync_with_stdio(false), cin.tie(0);
#define et cout<<endl;
using namespace std;
typedef pair<int, int> PII;
typedef long long ll;
typedef unsigned long long ull;
inline int read()
{
int x=0,f=1;char ch=getchar();
while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}
while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
return x*f;
}
const int N = 2e5+5;
const int M = 2e5+5;
const int mod = 1e9+7;
int t, n, k;
int g[N];
bool check(vector<ll> v, vector<ll> q)
{
if(v.size() > q.size()) return false;
if(v.size() == q.size())
{
for(int i = 0 ; i < v.size(); i ++)
{
if(v[i] > q[i]) return false;
if(v[i] == q[i]) continue;
if(v[i] < q[i]) return true;
}
return true;
}
return true;
}
void solve()
{
string X; ll n;
cin >> X >> n;
int d = -1;
vector<ll> v;
for(int i = 0 ; i < X.length(); i ++) v.push_back(X[i] - '0'), d = max(d, X[i] - '0');
ll l = d + 1, r = n;
while(l < r)
{
ll mid = l + r + 1 >> 1;
ll p = n;
vector<ll> q;
while(p)
{
q.push_back(p % mid);
p /= mid;
}
reverse(q.begin(), q.end());
if(check(v, q)) l = mid;
else r = mid - 1;
}
if(v.size() == 1)
{
if(d <= n) cout << 1 << endl;
else cout << 0 << endl;
return;
}
if(l == d + 1)
{
ll p = n;
vector<ll> q;
while(p)
{
q.push_back(p % l);
p /= l;
}
reverse(q.begin(), q.end());
if(check(v, q)) cout << 1 << endl;
else cout << 0 << endl;
}
else cout << l - d << endl;
}
int main()
{
ios
bool multi = 0; // 0 for single and 1 for multi
if(multi) cin >> t;
else t = 1;
while(t--)
{
solve();
}
} |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> P;
char s[2010][2010];
long long modpow(long long a, long long n, long long mod) {
long long res = 1;
while (n > 0) {
if (n & 1) res = res * a % mod;
a = a * a % mod;
n >>= 1;
}
return res;
}
int main(){
ll mod=1000000007;
ll h,w,i,j;
scanf("%lld %lld\n",&h,&w);
ll x[2010][2010];
for(i=0;i<=h+1;i++){
for(j=0;j<=w+1;j++){
x[i][j]=0,s[i][j]='#';
}
}
ll ans1=0;
for(i=1;i<=h;i++){
for(j=1;j<=w;j++){
scanf("%c",&s[i][j]);
if(s[i][j]=='.'){
ans1++;
}
}
scanf("\n");
}
for(i=1;i<=h;i++){
int count=1;
for(j=1;j<=w;j++){
if(s[i][j]=='.'){
x[i][j]+=count;
count++;
}
else{
count=1;
x[i][j]+=count;
}
}
}
for(i=1;i<=h;i++){
int count=1;
for(j=w;j>=1;j--){
if(s[i][j]=='.'){
x[i][j]+=count;
count++;
}
else{
count=1;
x[i][j]+=count;
}
}
}
for(i=1;i<=w;i++){
int count=1;
for(j=1;j<=h;j++){
if(s[j][i]=='.'){
x[j][i]+=count;
count++;
}
else{
count=1;
x[j][i]+=count;
}
}
}
for(i=1;i<=w;i++){
int count=1;
for(j=h;j>=1;j--){
if(s[j][i]=='.'){
x[j][i]+=count;
count++;
}
else{
count=1;
x[j][i]+=count;
}
}
}
for(i=1;i<=h;i++){
for(j=1;j<=w;j++){
x[i][j]-=3;
}
}
ll ans=0;
for(i=1;i<=h;i++){
for(j=1;j<=w;j++){
if(s[i][j]=='.'){
ans+=modpow(2,ans1,mod)-modpow(2,ans1-x[i][j],mod);
ans+=mod+mod+mod;
ans=ans%mod;
}
}
}
ans=ans%mod;
cout << ans << endl;
} | #include <bits/stdc++.h>
using namespace std;
const int64_t MOD = 1e9+7;
void add(int64_t& a, int64_t b){
a = (a+b) % MOD;
}
void mul(int64_t& a, int64_t b){
a = a*b % MOD;
}
int64_t power_mod(int64_t num, int64_t power){
int64_t prod = 1;
num %= MOD;
while(power > 0){
if(power&1) prod = prod * num % MOD;
num = num * num % MOD;
power >>= 1;
}
return prod;
}
void solve(){
int64_t N, A, B;
cin >> N >> A >> B;
int64_t all = (N-A+1)*(N-B+1);
int64_t mx = max(int64_t(0), N-A-B+1);
int64_t ans = power_mod(all, 2);
add(ans, MOD - power_mod(all - mx*(mx+1), 2));
cout << ans << endl;
}
int main(){
int H, W;
cin >> H >> W;
string S[2000];
for(int i=0; i<H; i++) cin >> S[i];
static int U[2000][2000], D[2000][2000], L[2000][2000], R[2000][2000];
int K = 0;
int64_t ans = 0;
for(int i=0; i<H; i++) for(int j=0; j<W; j++) if(S[i][j] == '.'){
K++;
if(i && S[i-1][j] == '.') U[i][j] = U[i-1][j] + 1;
if(j && S[i][j-1] == '.') L[i][j] = L[i][j-1] + 1;
}
for(int i=H-1; i>=0; i--) for(int j=W-1; j>=0; j--) if(S[i][j] == '.'){
if(i<H-1 && S[i+1][j] == '.') D[i][j] = D[i+1][j] + 1;
if(j<W-1 && S[i][j+1] == '.') R[i][j] = R[i][j+1] + 1;
int ok = U[i][j] + L[i][j] + D[i][j] + R[i][j] + 1;
add(ans, power_mod(2, K) - power_mod(2, K-ok) + MOD);
}
cout << ans << endl;
}
|
#include<bits/stdc++.h>
using namespace std;
#define ll long long
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(0);
ll a,b,c,ans,n;
cin >> n;
b = 0LL;
ll two = 1LL;
ans = 1e18;
while(two <= n)
{
c = n % two;
a = n / two;
ans = min(ans, a+b+c);
b++;
two *= 2LL;
}
cout << ans << endl;
}
| #include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define rrep(i, n) for (int i = (int)(n - 1); i >= 0; i--)
#define all(x) (x).begin(), (x).end()
#define sz(x) int(x.size())
using namespace std;
using ll = long long;
const int INF = 1e9;
const ll LINF = 1e18;
template <class T>
bool chmax(T& a, const T& b) {
if (a < b) {
a = b;
return 1;
}
return 0;
}
template <class T>
bool chmin(T& a, const T& b) {
if (b < a) {
a = b;
return 1;
}
return 0;
}
template <class T>
vector<T> make_vec(size_t a) {
return vector<T>(a);
}
template <class T, class... Ts>
auto make_vec(size_t a, Ts... ts) {
return vector<decltype(make_vec<T>(ts...))>(a, make_vec<T>(ts...));
}
template <typename T>
istream& operator>>(istream& is, vector<T>& v) {
for (int i = 0; i < int(v.size()); i++) {
is >> v[i];
}
return is;
}
template <typename T>
ostream& operator<<(ostream& os, const vector<T>& v) {
for (int i = 0; i < int(v.size()); i++) {
os << v[i];
if (i < sz(v) - 1) os << ' ';
}
return os;
}
int main() {
ll n;
cin >> n;
ll ans = LINF;
for (ll b = 0; b < 60; b++) {
ll x = 1ll << b;
for (ll a = max(0ll, n / x - 100); n - a * x >= 0 && a <= n / x + 100;
a++) {
ll c = n - a * x;
chmin(ans, a + b + c);
}
}
cout << ans << '\n';
} |
#include "bits/stdc++.h"
#ifdef FFS
#include "debug.h"
#else
#define debug(args...)
#endif
using namespace std;
const int N = 6 + 9 + 4e5;
vector <int> gr[N];
signed main()
{
ios_base::sync_with_stdio(false), cin.tie(nullptr);
int n; cin >> n;
int x = INT_MAX, y = INT_MIN;
for(int i = 0, a, b; i < n; ++i)
{
cin >> a >> b;
x = min({x, a, b}), y = max({y, a, b});
gr[a].emplace_back(b);
gr[b].emplace_back(a);
}
bool vis[N], tree;
int node, ans = 0;
memset(vis, false, sizeof vis);
function<void(int, int)> dfs = [&] (int child, int parent)
{
if(vis[child])
{
tree = false;
return;
}
vis[child] = true, ++node;
for(auto c : gr[child]) if(c ^ parent) dfs(c, child);
};
for(auto i = x; i <= y; ++i)
{
if(gr[i].empty() or vis[i]) continue;
tree = true, node = 0;
dfs(i, -1);
ans += tree ? (node - 1) : node;
}
cout << ans << '\n';
} | #include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<ll, ll> ii;
typedef tuple<ll, ll, ll> iii;
typedef vector<ll> vi;
typedef vector<ii> vii;
typedef vector<iii> viii;
typedef vector<vi> vvi;
typedef vector<vii> vvii;
#define REP(i,n) for (ll i = 0; i < n; ++i)
#define REPR(i,n) for (ll i = n-1; i >= 0; --i)
#define FOR(i,m,n) for (ll i = m; i < n; ++i)
#define FORR(i,m,n) for (ll i = n-1; i >= m; --i)
#define FORE(x,xs) for (const auto& x : xs)
#define FORI(i,v) for (auto i = v.begin(); i != v.end(); i++)
#define ALL(v) v.begin(), v.end()
#define SORT(v) sort(ALL(v))
#define REV(v) reverse(ALL(v))
#define UNIQ(v) sort(ALL(v)); v.erase(unique(ALL(v)),end(v))
#define CHMIN(x,y) x = min(x, y)
#define CHMAX(x,y) x = max(x, y)
#define YES(b) cout << ((b) ? "YES" : "NO") << endl
#define Yes(b) cout << ((b) ? "Yes" : "No") << endl
struct UnionFind {
private:
int N;
vi parent;
vi rank_;
void init(int n) {
N = n;
parent.resize(0); parent.clear(); parent.resize(n);
REP (i, N) parent[i] = i;
rank_.resize(0); rank_.clear(); rank_.resize(n);
}
public:
UnionFind() { init(0); }
UnionFind(int n) { init(n); }
int root(int x) {
return (parent[x] == x) ? x : parent[x] = root(parent[x]);
}
bool isSame(int x, int y) {
return root(x) == root(y);
}
void merge(int x, int y) {
x = root(x);
y = root(y);
if (x == y) return;
if (rank_[x] < rank_[y])
parent[x] = y;
else {
parent[y] = x;
if (rank_[x] == rank_[y]) rank_[x]++;
}
}
};
const int MAX = 21;
int N, M;
vi adj[MAX];
vector<bool> visited;
vector<char> colors;
char next(char c, bool s) {
if (c == 'R') {
if (s) return 'B';
else return 'G';
} else if (c == 'G') {
if (s) return 'R';
else return 'B';
} else {
if (s) return 'R';
return 'G';
}
}
bool check(int state, int root) {
queue<int> q;
q.push(root);
while (q.size()) {
int x = q.front(); q.pop();
if (x == root) {
colors[x] = 'R';
}
FORE (a, adj[x]) {
if (colors[a] == 'W') {
colors[a] = next(colors[x], (state>>a)&1);
if (!visited[a]) q.push(a);
visited[a] = true;
} else {
if (colors[a] == colors[x]) return false;
}
}
}
return true;
}
int main() {
cout << fixed << setprecision(15);
cin >> N >> M;
UnionFind uf(N);
REP (i, M) {
int a, b;
cin >> a >> b;
a--; b--;
adj[a].push_back(b);
adj[b].push_back(a);
uf.merge(a, b);
}
vi roots;
REP (i, N) if (uf.root(i) == i) roots.push_back(i);
ll ans = 0;
REP (state, 1<<N) {
visited = vector<bool>(N, false);
colors = vector<char>(N, 'W');
bool f = true;
FORE (r, roots) {
if ((state & (1<<r)) || !check(state, r)) {
f = false;
break;
}
}
if (f) ans++;
}
FORE (r, roots) ans *= 3;
cout << ans << endl;
}
|
#include <bits/stdc++.h>
using namespace std;
int main(){
int N, count = 0;
double tmp;
cin >> N;
vector<int> x(N), y(N);
for(int i = 0; i < N; i++)
cin >> x.at(i) >> y.at(i);
for(int i = 0; i < N; i++){
for(int j = i+1; j < N; j++){
tmp = (double)y.at(i) - y.at(j);
tmp /= (double)x.at(i) - x.at(j);
if(-1 <= tmp && tmp <= 1) count++;
}
}
cout << count << endl;
} | #include <iostream>
#include <vector>
#define rep(i,a,b) for(int i=a;i<b;i++)
using namespace std;
int main()
{
int n;
cin >> n;
vector<int> x(n), y(n);
rep(i, 0, n) {
cin >> x[i] >> y[i];
}
int dx, dy, cnt = 0;
double t;
rep(i, 0, n - 1) rep(j, 0, n) {
if (i < j) {
dx = x[j] - x[i];
dy = y[j] - y[i];
t = (double)dy / (double)dx;
if (abs(t) <= 1) {
cnt++;
}
}
}
cout << cnt;
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
int main() {
double ans;
int N;
double D, H;
double delta;
double dN, hN;
cin >> N >> D >> H;
ans = 0;
rep(i, N){
cin >> dN >> hN;
delta = (H - hN) / (D - dN);
ans = max(ans, (H - delta * D) );
}
cout << fixed << setprecision(13) << ans << endl;
} | #include <bits/stdc++.h>
using namespace std;
int d[105],h[105];
int main()
{
int N,D,H;
double max=-1;
cin>>N>>D>>H;
for(int i=0;i<N;i++)
{
scanf("%d%d",&d[i],&h[i]);
double x1=D,y1=H,x2=d[i],y2=h[i];
double b=y1-((x1*y1-x1*y2)*1.0/(x1-x2));
if(b>=0)
{
if(b>max)
{
max=b;
}
}
}
if(max==-1)//b都是小于0的
{
printf("0.0");
}
else{
printf("%.8f",max);
}
} |
#ifdef _LOCAL
#define _GLIBCXX_DEBUG
#endif
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
ld solve(ll n) {
ld res = 0;
for(int i = 1; i < n; i++) {
res += (ld)n / (ld)i;
}
return res;
}
#ifndef _LOCAL
int main() {
ll n;
cin >> n;
cout << fixed << setprecision(12) << solve(n) << endl;
return 0;
}
#endif | #include <iostream>
#include <cmath>
#include <cstring>
#include <map>
#include <set>
#include <vector>
#include <algorithm>
#include <bitset>
#include <complex>
#include <numeric>
#include <string>
#include <utility>
#define rep(i, n) for (int i = 0; i < (int)(n); ++i)
using namespace std;
using ll = long long;
using pii = pair<int, int>;
using g = vector<vector<int>>;
const int MaxA = 200;
int main()
{
int n;
cin >> n;
double ans = 0;
for (int i = 1; i < n; ++i) {
ans += (double)n / (n - i);
}
printf("%.10f\n", ans);
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
using ll =long long;
typedef pair<ll,ll> P;
#define SORT(a) sort((a).begin(),(a).end())
#define REV(a) reverse((a).begin(),(a).end())
#define For(i, a, b) for(int i = (a) ; i < (b) ; ++i)
#define rep(i, n) For(i, 0, n)
#define debug(x) cerr << #x << " = " << (x) << endl;
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
void coY() {cout <<"Yes"<<endl;}
void coN(){cout <<"No"<<endl;}
void mswap(ll &a, ll &b){ if(a >= b) swap(a,b); }
void rswap(ll &a, ll &b){ if(a <= b) swap(a,b); }
const int dy[] = {0,0,1,-1};
const int dx[] = {1,-1,0,0};
const ll mod = 1e9+7;
const ll MOD = 998244353;
const double PI=3.14159265358979323846;
const int inf = 1001001001;
const ll INF = 1'000'000'000'000'000'000;
const ll minf = -inf;
ll dp[200005][2];
//Write From this Line
int main()
{
int n;
cin >> n;
vector<ll> x(n), c(n);
rep(i,n) cin >> x[i] >> c[i];
vector<ll> l(n+1,1'000'000'001);
vector<ll> r(n+1,-1'000'000'001);
rep(i,n){
int color = c[i];
chmin(l[color], x[i]);
chmax(r[color], x[i]);
}
rep(i,200005) rep(j,2) dp[i][j] = INF;
dp[0][0] = 0;
dp[0][1] = 0;
// 0:l側にいる 1:R側にいる
ll tmpL = 0; // 座標
ll tmpR = 0;
rep(i,n+1){
if(i == 0) continue;
if(l[i] == 1'000'000'001 || r[i] == - 1'000'000'001){
dp[i][0] = dp[i-1][0];
dp[i][1] = dp[i-1][1];
continue;
}
rep(j,2){
if(j == 0){
//取り終わったらL側l[i]に行く というか、R側から取り始めて、最後がL側
// tmpL -> r[i] -> l[i]
chmin(dp[i][j], dp[i-1][0] + abs(r[i] - tmpL) + abs(r[i] - l[i]));
// tmpR -> r[i] -> l[i]
chmin(dp[i][j], dp[i-1][1] + abs(r[i] - tmpR) + abs(r[i] - l[i]));
} else {
// 取り終わったらR側r[i]に行く L側Start最後がR
// tmpL -> l[i] -> r[i]
chmin(dp[i][j], dp[i-1][0] + abs(l[i] - tmpL) + abs(r[i] - l[i]));
// tmpR -> l[i] -> r[i]
chmin(dp[i][j], dp[i-1][1] + abs(l[i] - tmpR) + abs(r[i] - l[i]));
}
}
tmpL = l[i];
tmpR = r[i];
}
ll ans = min(dp[n][0] + abs(tmpL), dp[n][1] + abs(tmpR));
cout << ans << endl;
}
| /*
author : Aryan Agarwal, IIT KGP
created : 06-February-2021 18:04:32 IST
*/
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int mxn = 2000;
const long long INF = 2e18;
const int32_t M = 1000000007; /*more than 1e9 */ /*7 + 1e9*/
// const int32_t M = 998244353; /*less than 1e9 */ /*1 + 7*17*(1<<23) */
const long double pie = acos(-1);
#define X first
#define Y second
#define pb push_back
#define sz(a) ((int)(a).size())
#define all(a) (a).begin(), (a).end()
#define F(i, a, b) for (int i = a; i <= b; i++)
#define RF(i, a, b) for (int i = a; i >= b; i--)
#define dbg(...) __f(#__VA_ARGS__, __VA_ARGS__)
template <typename Arg1>
void __f(const char* name, Arg1&& arg1){
cerr << name << " : " << arg1 << std::endl;
}
template <typename Arg1, typename... Args>
void __f(const char* names, Arg1&& arg1, Args&&... args){
const char* comma = strchr(names + 1, ',');cerr.write(names, comma - names) << " : " << arg1<<" | ";__f(comma+1, args...);
}
int n,m;
vector< vector<pair <int,int> > > adj(mxn+1);
vector <int> ans(mxn+1,INF);
vector <bool> vis(mxn+1,false);
void dijkstra(int s, vector<int> & d) {
int n = adj.size();
d.assign(n, INF);
// p.assign(n, -1);
d[s] = 0;
using pii = pair<int, int>;
priority_queue<pii, vector<pii>, greater<pii>> q;
q.push({0, s});
while (!q.empty()) {
int v = q.top().second;
int d_v = q.top().first;
q.pop();
if (d_v != d[v])
continue;
for (auto edge : adj[v]) {
int to = edge.first;
int len = edge.second;
if (d[v] + len < d[to]) {
d[to] = d[v] + len;
// p[to] = v;
q.push({d[to], to});
}
}
}
}
void solve_LOG()
{
cin>>n>>m;
F(i,1,m)
{
int a,b,c;
cin>>a>>b>>c;
if(a==b)ans[a]=min(ans[a],c);
else adj[a].pb({b,c});
}
vector< vector<int> > dis(n+1);
F(i,1,n)
{
dijkstra(i,dis[i]);
}
F(i,1,n)
{
F(j,i+1,n)
{
if(dis[i][j]!=INF && dis[j][i]!=INF)
{
ans[i]=min(ans[i],dis[i][j]+dis[j][i]);
ans[j]=min(ans[j],dis[j][i]+dis[i][j]);
}
}
}
F(i,1,n)
{
if(ans[i]==INF)ans[i]=-1;
cout<<ans[i];
cout<<"\n";
}
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
#ifndef ONLINE_JUDGE
// freopen("input.txt","r",stdin);
// freopen("output.txt","w",stdout);
#endif
#ifdef ARYAN_SIEVE
// defualt mxn_sieve = 1e5
sieve();
#endif
#ifdef ARYAN_SEG_SIEVE
// default [L,R] = [1,1e5]
segmented_sieve();
#endif
#ifdef ARYAN_FACT
// default mxn_fact = 1e5
fact_init();
#endif
// cout<<fixed<<setprecision(10);
int _t=1;
// cin>>_t;
for (int i=1;i<=_t;i++)
{
// cout<<"Case #"<<i<<": ";
solve_LOG();
}
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
int T,n,m,p,k;
char s[100010];
int main(){
scanf("%d%s",&n,s+1);
if(s[1]!=s[n]) return puts("1"),0;
for(int i=2;i<n-1;i++) if(s[i]!=s[1]&&s[i+1]!=s[n]) return puts("2"),0;
puts("-1");
}
| /*{{{*/
#include "bits/stdc++.h"
using namespace std;
#define MT make_tuple
#define all(x) begin(x), end(x)
#define putchar(x) cout << (x)
static int fastio = [](){ ios_base::sync_with_stdio(false); cin.tie(0); cout.precision(17); return 0; }();
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
template<typename ...T> string format(const string& fmt, T&&... args) {
size_t sz = snprintf(nullptr, 0, fmt.c_str(), args...) + 1;
unique_ptr<char[]> buf(new char[sz]);
snprintf(buf.get(), sz, fmt.c_str(), args...);
return string(buf.get(), buf.get() + sz - 1);
}
template<class T> struct rge { T b, e; auto begin() const { return b; } auto end() const { return e; } };
template<class T> rge<T> range(T i, T j) { return rge<T>{i, j}; }
template<class T> auto dud(T* x) -> decltype(cerr << *x, 0);
template<class T> char dud(...);
struct debug {
#if DEBUG == 2
debug(int line) {
if(line) cerr << "LINE(" << line << ") -> ";
}
template<class T> typename enable_if<sizeof dud<T>(0) != 1, debug&>::type operator<<(T i) {
cerr << boolalpha << i; return * this;
}
template<class T> typename enable_if<sizeof dud<T>(0) == 1, debug&>::type operator<<(T i) {
return *this << range(begin(i), end(i));
}
template<class T, class U> debug& operator<<(pair<T, U> d) {
return *this << "(" << d.first << ", " << d.second << ")";
}
debug& operator<<(tuple<>&) { return *this << "()"; };
template<class ...T> debug& operator<<(tuple<T...> d) {
*this << "("; debug_tuple<sizeof...(T), 0>(d);
return *this << ")";
}
template<size_t L, size_t I, class T> void debug_tuple(const T& t) {
*this << (I == 0 ? "" : ", ") << get<I>(t);
if(I + 1 < L) debug_tuple<L, (I + 1) % L>(t);
}
template<class T> debug & operator <<(rge<T> d) {
*this << "[";
for(auto it = d.b; it != d.e; ++it)
*this << (it != d.b ? ", " : "") << *it;
return *this << "]";
}
debug& operator<<(ostream&(*pf)(std::ostream&)) {
cerr << pf; return *this;
}
#else
debug(int) {}
template<class T> debug& operator<<(T&&) { return *this; }
debug& operator<<(ostream&(*)(std::ostream&)) { return *this; }
#endif
};
#define imie(...) " [" << #__VA_ARGS__ << ": " << (__VA_ARGS__) << "] "
#define debug0() debug(__LINE__)
#define debug1(x) debug(0)
#define GET_MACRO(_0, _1, NAME, ...) NAME
#define debug(...) GET_MACRO(_0, ##__VA_ARGS__, debug1, debug0)(__VA_ARGS__)
/*}}}*/
using LL = long long;
const int MOD = 1e9 + 7;
const int INF = 0x3f3f3f3f;
const LL LLINF = 0x3f3f3f3f3f3f3f3f;
const int MAX_N = 200005;
void solve(int) {
string s;
cin >> s;
if(s[0] == s[1] and s[1] == s[2]) {
cout << "Won" << endl;
} else {
cout << "Lost" << endl;
}
}
int main() {
int T = 1;
//cin >> T;
for(int i = 1; i <= T; ++i) {
solve(i);
}
return 0;
}
|
/*
Stay motivated and keep working hard
*/
#include <bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define int long long
#define pb push_back
#define cntbit __builtin_popcount
#define fr first
#define mem(arr, val) memset(arr, val, sizeof(arr))
#define sc second
#define sz(v) ((int)(v).size())
#define mp make_pair
#define all(a) a.begin(),a.end()
#define rep(i,a,n) for(int i=a;i<n;i++)
#define repd(i,a,p) for(int i=a-1;i>=p;i--)
#define md 998244353
#define vi vector<int>
#define vp vector<pair<int,int> >
#define ml map<int,int>
#define MPI 3.1415926536
#define in insert
#define endl "\n"
#define ub upper_bound
#define lb lower_bound
#define gcd __gcd
#define setval(a,b) memset(a,b,sizeof(a))
#define lwr lower_bound
#define pii pair<int,int>
#define upr upper_bound
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
//CANDIDATE MASTER TOH BNKE RHUNGA
//dsu is pel concept
//KMP is pel concept
int k,n,t,i,j=0,m;
const int N=1e6+5;
int md2;
inline void add(int &a, int b) {
a += b;
if (a >= md) a -= md;
}
inline void sub(int &a, int b) {
a -= b;
if (a < 0) a += md;
}
inline int mul(int a, int b) {
return (int) ((long long) a * b % md);
}
inline int power(int a, long long b) {
int res = 1;
while (b > 0) {
if (b & 1) {
res = mul(res, a);
}
a = mul(a, a);
b >>= 1;
}
return res;
}
inline int inv(int a) {
a %= md;
if (a < 0) a += md;
int b = md, u = 0, v = 1;
while (a) {
int t = b / a;
b -= t * a; swap(a, b);
u -= t * v; swap(u, v);
}
if (u < 0) u += md;
return u;
}
void extgcd(int a,int b, int& x,int& y)
{
if(b != 0){
extgcd(b, a % b, y, x);
y -= (a / b) * x;
}else{
x = 1;
y = 0;
}
}
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);cout.tie(0);
cin>>n;
vi a(n),b(n),c(n);
for(int i=0;i<n;i++)
cin>>a[i];
for(int i=0;i<n;i++)
cin>>b[i];
int mx[n];
mx[0]=a[0];
for(int i=1;i<n;i++)
mx[i]=max(mx[i-1],a[i]);
c[0]=a[0]*b[0];
for(int i=1;i<n;i++)
c[i]=max(c[i-1],mx[i]*b[i]);
for(int i=0;i<n;i++)
cout<<c[i]<<endl;
}
| #include<bits/stdc++.h>
using namespace std;
int main()
{
int n,i,e,j;
//e=1;;
//while(e--)
{
cin>>n;
long a[n],b[n],c[n],max,d;
for(i=0;i<n;i++)
cin>>a[i];
for(i=0;i<n;i++)
cin>>b[i];
c[0]=0;
max=a[0];
for(i=1;i<n;i++)
{
if(a[i]>max)
{
max=a[i];
c[i]=i;
}
else
c[i]=c[i-1];
}
// for(i=0;i<n;i++)
// cout<<c[i]<<" ";
long long dp[n];
dp[0]=a[0]*b[0];
for(i=1;i<n;i++)
{
dp[i]=dp[i-1];
long long t=a[c[i]]*b[i];
if(dp[i]<t)
dp[i]=t;
}
for(i=0;i<n;i++)
cout<<dp[i]<<"\n";
}
} |
// ----- In the name of ALLAH, the Most Gracious, the Most Merciful -----
#include<bits/stdc++.h>
using namespace std;
#define sim template < class c
#define ris return * this
#define dor > debug & operator <<
#define eni(x) sim > typename \
enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
*this << "[";
for (auto it = d.b; it != d.e; ++it)
*this << ", " + 2 * (it == d.b) << *it;
ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define deb(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define int long long
#define endl "\n"
#define mod 1000000007
#define inf (int)1e18
const int mxn = 2e3+5;
vector<pair<int,int>> g[mxn];
bool vis[mxn];
int d[mxn];
int32_t main(){
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n,m; cin >> n >> m;
for(int i=0;i<m;i++){
int u,v,c; cin >> u >> v >> c;
g[v].push_back({u,c});
// g[u].push_back({v,c});
}
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++){
d[j] = inf;
vis[j] = false;
}
d[i] = inf;
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> q;
q.push({0,i});
while(!q.empty()){
int c = q.top().first;
int v = q.top().second;
q.pop();
for(auto it : g[v]){
int u = it.first;
int cost = it.second;
if(d[u]> cost+c){
d[u] = cost + c;
vis[u] = 1;
q.push({d[u],u});
}
}
}
if(d[i]==inf) cout << -1 << endl;
else cout << d[i] << endl;
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define _GLIBCXX_DEBUG
#define rep(i, from, to) for (ll i = from; i < (to); ++i)
#define mp(x,y) make_pair(x,y)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int)(x).size()
#define pb push_back
using ll = long long;
using ld=long double;
using vin=vector<int>;
using vvin=vector<vin>;
using vll=vector<ll>;
using vvll=vector<vll>;
using vst=vector<string>;
using P = pair<ll,ll>;
using vp=vector<P>;
using vvp=vector<vp>;
const int inf=1e9+7;
const ll INF=9e18/2;
const long double PI = acos(-1.0);
template <typename T> bool chmin(T &a, const T& b){if(a > b){a = b;return true;}return false;}
template <typename T> bool chmax(T &a, const T& b){if(a < b){a = b;return true;}return false;}
template<class T> inline void Yes(T condition){ if(condition) cout << "Yes" << endl; else cout << "No" << endl; }
template<class T> inline void YES(T condition){ if(condition) cout << "YES" << endl; else cout << "NO" << endl; }
const int dx[4] = { 0, 0, 1, 1 };
const int dy[4] = { 0, 1, 0, 1 };
template<class T>
struct dijkstra{
struct edge{
int to;
T cost;
};
vector<T> dist;
vector<int> prev;
vector<vector<edge>> g;
T Inf;
dijkstra(int n,T _Inf):Inf(_Inf){
init(n);
g.resize(n);
};
void init(int n){
prev.assign(n,-1);
dist.assign(n,Inf);
}
void add_edge(int s,int t,T cost){
g[s].push_back((edge){t,cost});
}
void run(int s){
priority_queue<pair<T,int>,vector<pair<T,int>>,greater<pair<T,int>>> pq;
dist[s]=0;
pq.push(pair<T,int>(0,s));
while(!pq.empty()){
int now=pq.top().second;
T now_cost=pq.top().first;
pq.pop();
if(dist[now]<now_cost)continue;
for(auto v:g[now]){
if(dist[v.to]>dist[now]+v.cost){
dist[v.to]=dist[now]+v.cost;
prev[v.to]=now;
pq.push(pair<T,int>(dist[v.to],v.to));
}
}
}
}
};
int main(){//cout<<fixed<<setprecision(20);
int n,m;
cin>>n>>m;
dijkstra<ll> dijk(2*n,INF);
rep(i,0,m){
ll a,b,c;
cin>>a>>b>>c;
a--;b--;
b+=n;
dijk.add_edge(a,b,c);
a+=n;
dijk.add_edge(a,b,c);
}
rep(i,0,n){
dijk.run(i);
ll ans=INF;
chmin(ans,dijk.dist[i+n]);
dijk.init(n*2);
if(ans==INF)ans=-1;
cout<<ans<<endl;
}
} |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REPR(i, n) for (int i = n - 1; i >= 0; --i)
#define FOR(i, m, n) for (int i = m; i < n; ++i)
#define FORR(i, m, n) for (int i = m; i >= n; --i)
#define ALL(v) (v).begin(),(v).end()
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
const ll INF=1LL<<60;
const int inf=(1<<30)-1;
const int mod=1e9;
int dx[8]={1,0,-1,0,-1,-1,1,1};
int dy[8]={0,1,0,-1,-1,1,-1,1};
const int nmax=200005;
vector<vector<int>> g(nmax);
vector<ll> c(nmax),d(nmax);
void dfs(int cur,int pre=-1,ll res=0){
c[cur]=res+d[cur];
for(int to:g[cur]){
if(to==pre) continue;
dfs(to,cur,res+d[cur]);
}
}
int main(){
cin.tie(0);
ios::sync_with_stdio(false);
int n;cin >> n;
vector<int> a(n-1),b(n-1);
REP(i,n-1){
cin >> a[i] >> b[i];
a[i]--,b[i]--;
g[a[i]].push_back(b[i]);
g[b[i]].push_back(a[i]);
}
vector<int> dis(n,inf);
queue<int> qu;
dis[0]=0;
qu.push(0);
while(!qu.empty()){
int p=qu.front();
qu.pop();
for(int x:g[p]){
if(dis[x]!=inf) continue;
dis[x]=dis[p]+1;
qu.push(x);
}
}
int q;cin >> q;
while(q--){
int t,e,x;cin >> t >> e >> x;
e--;
if(t==1){
if(dis[a[e]]<dis[b[e]]){
d[0]+=x;
d[b[e]]-=x;
}
else{
d[a[e]]+=x;
}
}
else{
if(dis[a[e]]<dis[b[e]]){
d[b[e]]+=x;
}
else{
d[0]+=x;
d[a[e]]-=x;
}
}
}
dfs(0);
REP(i,n){
cout << c[i] << endl;
}
} | #include <bits/stdc++.h>
#define endl "\n"
#define int long long
#define ll long long
using namespace std;
typedef vector<int> vi;
typedef vector<vector<int>> vvi;
typedef pair<int,int> pii;
template<typename T>
void printv(vector<T> v) {
for (auto e : v) {
cout << e << " ";
} cout << endl;
}
template<typename T>
void printvv(vector<T> vv) {
for (int i=0; i<vv.size(); i++) {
cout << i << ": ";
for (auto e : vv[i]) {
cout << e << " ";
} cout << endl;
}
}
///////////////////////////////////////////////////////////////////////
const int p = 1e9 + 7;
signed main() {
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
#endif
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int t, n, a, b;
cin >> t;
while (t--) {
cin >> n >> a >> b;
if (n < a+b) {
cout << 0 << endl;
continue;
}
int x5 = (((n-a-b+1) * (n-a-b+2)) / 2 %p);
// cout << "x5: " << x5 << endl;
int x4 = ((((n-a+1) * (n-b+1))%p - (2 * x5)) + p) % p;
int x3 = (x4 * x4) % p;
int x1 = (n-a+1)*(n-a+1) % p;
int x2 = (n-b+1)*(n-b+1) % p;
int ans = ((((x1*x2) % p) - x3) % p + p) % p;
cout << ans << endl;
}
return 0;
} |
#include <bits/stdc++.h>
typedef long long ll ;
#define int ll
const int MAX=2e5+10;
const int modn=1e9+7;
const int INF=0x3f3f3f3f3f3f;
#define endl '\n'
#define cwk freopen("D:\\workplace\\CLion\\in.in","r",stdin),freopen("D:\\workplace\\CLion\\out.out","w",stdout)
using namespace std;
int n,m,k,x;
bool vis[MAX];
double a[MAX],b[MAX];
bool check(){
int cnt=0;
for(int i=1;i<=n;i++){
if(vis[i]) cnt++;
else{
if(cnt>=m) return false;
cnt=0;
}
}
return true;
}
void solve(){
cin>>n>>m>>k;
while(k--){
cin>>x;
vis[x]=true;
}
if(!check()){
cout<<"-1\n";
return;
}
double sumb=0;
double suma=0;
for(int i=n-1;i>=0;i--){
if(vis[i]){
a[i]=1;
b[i]=0;
}else{
a[i]=suma*1.0/m;
b[i]=sumb*1.0/m+1;
}
sumb+=b[i]-b[i+m];
suma+=a[i]-a[i+m];
}
printf("%.4f",b[0]/(1-a[0]));
}
signed main() {
ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
//cwk;
int _=1;
//cin>>_;
while(_--){
solve();
}
return 0;
} | #include <bits/stdc++.h>
#define FOR(i, a, n) for(ll i = (ll)a; i < (ll)n; i++)
#define FORR(i, n) for(ll i = (ll)n - 1LL; i >= 0LL; i--)
#define rep(i, n) FOR(i, 0, n)
#define ALL(x) begin(x), end(x)
using namespace std;
using ll = long long;
constexpr ll Mod = 998244353;
constexpr ll mod = 1e9 + 7;
constexpr ll inf = 1LL << 60;
const double PI = acos(-1);
template <typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {
return a < b && (a = b, true);
}
template <typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {
return a > b && (a = b, true);
}
/*-------------------------------------------*/
int main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
int n, m, k;
cin >> n >> m >> k;
bool a[100009]{};
rep(i, k) {
int x;
cin >> x;
a[x] = true;
}
vector<complex<double>> dp(n + 1);
dp[n] = 0;
complex<double> sum = 0;
FORR(i, n) {
if(a[i])
dp[i] = complex<double>(0, 1);
else
dp[i] = sum / double(m) + 1.;
sum += dp[i];
if(i + m <= n) sum -= dp[i + m];
}
if(dp[0].imag() + 1e-8 > 1) {
cout << -1 << endl;
return 0;
}
cout << fixed << setprecision(10);
cout << dp[0].real() / (1 - dp[0].imag()) << endl;
return 0;
} |
#include<iostream>
using namespace std;
int main(){
long long a,b;
cin>>a>>b;
if(a+b>=15&&b>=8)cout<<1<<endl;
else if(a+b>=10&&b>=3)cout<<2<<endl;
else if(a+b>=3)cout<<3<<endl;
else cout<<4<<endl;
} | #include <bits/stdc++.h>
#define FAST ios_base::sync_with_stdio(false); cin.tie(NULL);
#define cerr if(1) cerr
#define ll long long
#define fp cout<<fixed<<setprecision(9);
#define loop(var,s,n) for(ll var=s ;var<n;var++)
#define rloop(var,s,n) for(ll var=s ;var>=n;var--)
#define pb push_back
#define endl '\n'
#define mk make_pair
#define all(x) x.begin(),x.end()
#define mod 1000000007
#define ipair pair<ll,pair<ll,ll>>
using namespace std;
int main() {
#ifdef KEVIN
freopen("ingoing3.txt", "r", stdin);
freopen("outgoing3.txt", "w", stdout);
freopen("err3.txt", "w", stderr);
#endif
FAST
int t = 1;
//cin >> t;
while (t--)
{
int fat, nonfat, milk;
cin >> nonfat >> milk;
fat = nonfat + milk;
if (fat >= 15 && milk >= 8)cout << 1;
else if (fat >= 10 && milk >= 3)cout << 2;
else if (fat >= 3)cout << 3;
else cout << 4;
}
//cerr << "Time elapsed: " << clock() / (double)CLOCKS_PER_SEC << endl;
} |
#include <algorithm>
#include <cmath>
#include <cstring>
#include <deque>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#define pb push_back
#define rep(i, n) for (int i = 0; i < (n); i++)
#define reps(i, n, s) for (int i = (s); i < (n); i++)
#define rrep(i, n) for (int i = (n - 1); i >= 0; i--)
#define rreps(i, n, s) for (int i = s; i >= n; i--)
using ll = long long;
using namespace std;
constexpr long long MAX = 5100000;
constexpr long long INF = 1LL << 60;
constexpr int MOD = 1000000007;
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
ll n, C;
cin >> n >> C;
vector<pair<ll, ll>> event;
rep(i, n) {
ll a, b, c;
cin >> a >> b >> c;
event.pb({a, c});
event.pb({b + 1, -c});
}
sort(event.begin(), event.end());
ll res = 0, t = 0, fee = 0;
for (auto v : event) {
if (v.first != t) {
res += min(C, fee) * (v.first - t);
t = v.first;
}
fee += v.second;
}
cout << res << endl;
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define ll long long int
#define pb push_back
#define mp make_pair
#define ff first
#define ss second
#define d(x) cout<<x<<" "
#define nl cout<<endl
#define rep(var,init_val,final_val) for(int var = init_val; var < final_val; ++var)
#define tt ll t;cin>>t;while(t--)
#define show(a,b) rep(i,0,b) d(a[i]);nl;
#define mod 1000000007
#define vi vector<int>
#define pii pair<int,int>
const int d4i[] = {-1,0,1,0};
const int d4j[] = {0,1,0,-1};
const int d8i[] = {-1,-1,-1,0,1,1,1,0};
const int d8j[] = {-1,0,1,1,1,0,-1,-1};
// #define ONLINE_JUDGE true
int ti[8][8];
int n,k;
int cal_time(vi val){
int tii = 0;
rep(i,0,n){
int a = val[i]-1;
int b = val[i+1]-1;
tii+=ti[a][b];
if(b==0) return tii;
}
return tii;
}
void solve(){
cin>>n>>k;
rep(i,0,n){
rep(j,0,n) cin>>ti[i][j];
}
vector<int> ans;
ans.pb(1);
rep(i,1,n+1) ans.pb(i);
int v = 0;
do{
v += (cal_time(ans)==k)?1:0;
//cout<<cal_time(ans)<<" : ";
//show(ans,ans.size());
}while(next_permutation(ans.begin(),ans.end()));
cout<<v<<endl;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
solve();
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define all(v) (v).begin() , (v).end()
#define vi vector <ll>
#define vii vector <pair<ll,ll>>
#define ii pair<ll,ll>
#define sz(v) ((int)((v).size()))
#define Forr(i,s) for(auto &i:s)
#define lp(i,a,b) for(int i=a;i<b;i++)
#define pb push_back
#define pf push_front
#define F first
#define S second
#define endl "\n"
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
const double PI = 3.14159265358979323846;
const ll inf=1e9+7,MOD=1e9+7,MAX=1e3+2;
int main() {
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
IOS
ll n,m,t;
cin>>n>>m>>t;
ll a[m],b[m],cur=0,ok=1,mx=n;
lp(i,0,m){
cin>>a[i]>>b[i];
n-=a[i]-cur;
ok&=n>0;
n+=b[i]-a[i];
n=min(n,mx);
cur=b[i];
}
n-=t-cur;
ok&=n>0;
cout<<(ok?"Yes":"No");
}
| #include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
ll MOD = 1000000007;
ll INFL = 1ll << 60;
ll INF = 1 << 28;
// ====================================================================
int main() {
int n, m, t;
cin >> n >> m >> t;
vector<int> a(m), b(m);
for (int i = 0; i < m; i++) cin >> a[i] >> b[i];
int bat = n, time = 0;
bool can = true;
for (int i = 0; i < m; i++) {
bat -= a[i] - time;
// cout << "now battery ... " << bat << endl;
if (bat <= 0) {
cout << "No" << endl;
return 0;
}
bat = min(n, bat + b[i] - a[i]);
time = b[i];
}
// last bun
bat -= t - time;
// cout << "now battery ... " << bat << endl;
if (bat <= 0) {
cout << "No" << endl;
} else {
cout << "Yes" << endl;
}
}
|
#include<iostream>
#include <cassert>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <vector>
#include <cstring>
using namespace std;
const int N = 3e5 + 123;
char a[200][200];
int n, m, x, y;
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> m >> x >> y;
for(int i = 1; i <= n; i++)
for(int j = 1; j <= m; j++)
cin >> a[i][j];
int ux = x;
while(ux - 1 > 0 && a[ux - 1][y] == '.') ux--;
int dx = x;
while(dx + 1 > 0 && a[dx + 1][y] == '.') dx++;
int ly = y;
while(ly - 1 > 0 && a[x][ly - 1] == '.') ly--;
int ry = y;
while(ry + 1 > 0 && a[x][ry + 1] == '.') ry++;
cout << ry - ly + 1 + dx - ux + 1 - 1;
return 0;
}
| #include<bits/stdc++.h>
#define inf 1e18
#define endl "\n"
#define mp make_pair
#define pb push_back
#define loop(i,x,y) for(int i = x; i < y ; i++ )
#define all(x) (x).begin(),(x).end()
#define in(n) int n; cin>>n;
#define inarr(arr,n) vector<int>arr(n); for(int i = 0; i < n ; i++){cin>>arr[i];}
#define maploop(x) for(auto itr = x.begin(); itr != x.end();itr++)
#define int long long
using namespace std;
#ifndef ONLINE_JUDGE
#define debug(x) cerr << #x<<" "; _print(x); cerr << endl;
#else
#define debug(x);
#endif
void _print(int t) {cerr << t;}
void _print(string t) {cerr << t;}
void _print(char t) {cerr << t;}
void _print(double t) {cerr << t;}
template <class T, class V> void _print(pair <T, V> p);
template <class T> void _print(vector <T> v);
template <class T> void _print(set <T> v);
template <class T, class V> void _print(map <T, V> v);
template <class T> void _print(multiset <T> v);
template <class T, class V> void _print(pair <T, V> p) {cerr << "{"; _print(p.first); cerr << ","; _print(p.second); cerr << "}";}
template <class T> void _print(vector <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(set <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T> void _print(multiset <T> v) {cerr << "[ "; for (T i : v) {_print(i); cerr << " ";} cerr << "]";}
template <class T, class V> void _print(map <T, V> v) {cerr << "[ "; for (auto i : v) {_print(i); cerr << " ";} cerr << "]";}
/*-------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
const int N = 10001;
int mod = 1000000007;
void Main()
{
in(h)
in(w)
in(x)
in(y)
char arr[h][w];
loop(i, 0, h)
{
loop(j, 0, w)
{
cin >> arr[i][j];
//cout << arr[i][j];
}
//cout << endl;
}
int cnt = 1;
loop(i, x, h)
{
if (arr[i][y - 1] != '.')
break;
cnt++;
}
//cout << cnt << endl;
for (int i = x - 2; i >= 0 ; i--)
{
if (arr[i][y - 1] != '.')
break;
cnt++;
}
// loop(i, 0, h)
// {
// loop(j, 0, w)
// {
// //cin >> arr[i][j];
// cout << arr[i][j];
// }
// cout << endl;
// }
// cout << cnt << endl;
loop(i, y, w)
{
//cout << x - 1 << " " << i << endl;
//cout << arr[x - 1][i] << endl;
if (arr[x - 1][i] != '.')
break;
//cout << "wd" << endl;
cnt++;
}
//cout << cnt << endl;
for (int i = y - 2; i >= 0 ; i--)
{
if (arr[x - 1][i] != '.')
break;
cnt++;
}
cout << cnt << endl;
}
int32_t main()
{
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
int t = 1;
//cin >> t;
while (t--)
{
Main();
}
}
|
//#undef DEBUG
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll llinf = (1ll<<61)-1;
#define sz(a) int(a.size())
#define all(x) begin(x), end(x)
#ifdef DEBUG
const int DEBUG_END = 26;
#define DOS cout
#include <debug.h>
#else
#define bug(args...) void()
#define cbug(a, args...)
#endif
#define ASSERT(a, o, b, args...) if (!((a)o(b))) bug(a, b, ##args), assert((a)o(b));
#define fi first
#define se second
const int inf = 1000000007, N=1005;
int TC = 1, CN, n;
pair<int, int> a[N];
signed main() { cin.tie(0)->sync_with_stdio(0); cin.exceptions(cin.failbit); cout.precision(11), cout.setf(ios::fixed);
//cin >> TC;// inputAll + resetAll -> solution
auto kase = [&]()->void {
cin >> n;
int ans = 0;
for (int i = 0; i < n; i++) {
cin >> a[i].fi >> a[i].se;
for (int j = 0; j < i; j++) {
ans += abs(a[i].se-a[j].se) <= abs(a[i].fi-a[j].fi);
}
}
cout << ans << '\n';
};
while (CN++!=TC) kase();
} | #include <bits/stdc++.h>
using namespace std;
int main(){
int N;
cin >> N;
vector<pair<int, int>> A(N);
for(auto& [x, y] : A) cin >> x >> y;
int ans = 0;
for (int i = 0; i < N; i++) for (int j = i + 1; j < N; j++) {
auto [x1, y1] = A[i];
auto [x2, y2] = A[j];
if(abs(y1-y2) <= abs(x1-x2)) ans++;
}
cout << ans << endl;
}
|
#include<bits/stdc++.h>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;
using namespace std;
// typedef tree<pair<int,int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
#define ll long long
#define scn(n) scanf("%d",&n)
#define lscn(n) scanf("%lld",&n)
#define lpri(n) printf("%lld",n)
#define pri(n) printf("%d",n)
#define pln() printf("\n")
#define priln(n) printf("%d\n",n)
#define lpriln(n) printf("%lld\n",n)
#define rep(i,init,n) for(int i=init;i<n;i++)
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define gcd __gcd
#define inf INT_MAX
#define ninf INT_MIN
#define linf LLONG_MAX
#define lninf LLONG_MIN
const ll mod = 1e9 + 7;
const int N = 1e6 + 4;
int solve()
{
int n; scn(n);
string s; cin>>s;
rep(i, 2, n)
if(s[i] == '1' and s[i - 1] == '1' and s[i - 2] == '1')
{
pri(0); return 0;
}
vector<int> v;
int f = -1, l = -1, cnt = 0, prev = -1;
rep(i, 0, n)
if(s[i] == '0')
{
cnt++; l = i;
if(f == -1)
f = i;
if(prev != -1 and i - prev - 1 != 2)
{
pri(0); return 0;
}
prev = i;
}
ll val = 10000000000;
if(n == 1 and s[0] == '1')
{
lpri(2 * val); return 0;
}
if(l != n - 1)
cnt++;
// cout<<cnt<<endl;
lpri(val - cnt + 1);
return 0;
}
int main()
{
int t = 1; //scn(t);
while(t--)
{
solve();
}
return 0;
} | #include <bits/stdc++.h>
#define rep(i, n) for(int i = 0; i < (n); i++)
using namespace std;
using P = pair<int, int>;
using ll = long long;
bool solve(string s){
int n = s.size();
if(n == 1) return s == "8";
if(n == 2){
if(stoi(s)%8 == 0) return 1;
swap(s[0],s[1]);
return stoi(s)%8 == 0;
}
vector<int> cnt(10);
for(char x : s) cnt[x-'0']++;
for(int i = 0; i < 1000; i += 8){
int x = i;
vector<int> nc(10);
rep(j, 3){
nc[x%10]++;
x /= 10;
}
bool ok = true;
rep(j, 10) if(nc[j] > cnt[j]) ok = false;
if(ok) return true;
}
return 0;
}
int main(){
string s;
cin >> s;
puts(solve(s) ? "Yes" : "No");
} |
#include <bits/stdc++.h>
using namespace std;
int n, m, k;
vector<long long> a, nxt;
long double solve();
bool check(long double e);
int main() {
cin >> n >> m >> k;
a.resize(k);
for (auto &p : a) cin >> p;
cout << fixed << setprecision(10);
auto res = solve();
if (res < 0)
cout << "-1" << endl;
else
cout << solve() << endl;
return 0;
}
long double solve() {
nxt.resize(n + m + 1);
for (int i = 0; i < n + m + 1; ++i) {
nxt[i] = i + m;
for (int j = 0; j < k; ++j)
if (i <= a[j]) nxt[i] = min(nxt[i], a[j]);
}
for (int i = 0; i < k;) {
int now = a[i], cnt = 0;
while (i < k && now == a[i]) ++i, ++now, ++cnt;
if (cnt >= m) return -1;
}
long double l = 0, r = 1e18;
for (int t = 0; t < 200; ++t) {
long double mid = (l + r) / 2;
if (check(mid))
r = mid;
else
l = mid;
}
return r;
}
bool check(long double e) {
vector<long double> dp(n + m, 0);
long double now = 0;
for (int i = n - 1; i >= 0; --i) {
if (nxt[i] == i)
dp[i] = e;
else
dp[i] = 1 + now / m;
now += dp[i];
now -= dp[i + m];
}
return dp[0] <= e;
} | #include <bits/stdc++.h>
#include <variant>
#define rep2(i,k,n) for(i64 i=(i64)(k);i<(i64)(n);i++)
#define rep(i,n) rep2(i,0,n)
#define all(x) begin(x),end(x)
#ifdef ENV_LOCAL
#define dump if (1) cerr
#else
#define dump if (0) cerr
#endif
using namespace std;
using namespace std::string_literals;
using i32 = int32_t;
using i64 = int64_t;
using f64 = double;
using f80 = long double;
using vi32 = vector<i32>;
using vi64 = vector<i64>;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
i64 n,m,k;
cin>>n>>m>>k;
vi64 a(k);
rep(i,k) cin>>a[i];
vector<f64> c0(n+1);
vector<f64> c1(n+1);
rep(i,k) c1[a[i]] = 1.0;
f64 s0 = 0;
f64 s1 = 0;
rep(ri,n) {
i64 i = n - 1 - ri;
s0 += c0[i+1];
s1 += c1[i+1];
if (ri >= m) {
s0 -= c0[i+m+1];
s1 -= c1[i+m+1];
}
if (c1[i] == 1.0) continue;
else {
c0[i] = s0 / m + 1.0;
c1[i] = s1 / m;
}
}
if (abs(1.0 - c1[0]) < 1e-8) {
cout<<-1<<endl;
} else {
cout<<fixed<<setprecision(10)<<c0[0] / (1.0 - c1[0])<<endl;
}
return 0;
}
|
#include <bits/stdc++.h>
#define FOR(i, begin, end) for(int i = (begin); i < (end); i++)
#define FAST_IO ios_base::sync_with_stdio(0); cin.tie(nullptr); cout.tie(nullptr)
#define F first
#define S second
#define PB push_back
#define MP make_pair
using namespace std;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef long long ll;
void setIO()
{
FAST_IO;
}
void setIO (string s) {
FAST_IO;
freopen((s+".in").c_str(),"r",stdin);
freopen((s+".out").c_str(),"w",stdout);
}
int main()
{
setIO();
int x, y;
cin >> x >> y;
if(x<y && x+3>y)
{
cout << "Yes";
}
else if(x<y)
{
cout << "No";
}
else if(x>y && y+3>x)
{
cout << "Yes";
}
else if(x>y)
{
cout << "No";
}
}
| #include<bits/stdc++.h>
#define dbug printf("I am here\n");
#define Fast ios_base::sync_with_stdio(false); cin.tie(0);
#define vs v.size()
#define ss s.size()
#define sot(v) sort(v.begin(),v.end())
#define all(v) (v).begin(), (v).end()
#define rev(v) reverse(v.begin(),v.end())
#define revsot(v) sort(v.rbegin(),v.rend())
#define yes cout<<"Yes"<<endl
#define no cout<<"No"<<endl
#define ii pair<int, int>
#define int long long
#define ll long long
#define ull unsigned long long
#define pb push_back
#define mpp make_pair
#define Okay 0
#define pi 3.14159
const int mx = 2e5+100;
const int cont = 1e18;
const int mod = 1e9+7;
using namespace std;
void solve(){
int a, b;
cin>>a>>b;
if(abs(a-b)<3)yes;
else no;
}
int32_t main(){
Fast;
int tst;
// cin>>tst;
// while(tst--)
solve();
return Okay;
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main() {
int N;
cin >> N;
vector<int> A(N);
for (auto& x : A) cin >> x;
ll res = 0;
map<ll, int> a;
ll s = 0;
++ a[0];
for (int i = 0; i < N; ++ i) {
if (i % 2) {
s += A[i];
res += a[s];
++ a[s];
} else {
s -= A[i];
res += a[s];
++ a[s];
}
}
cout << res << endl;
}
| # include <bits/stdc++.h>
# define rep(i, n) for(int i=0, i##_len=(n); i<i##_len; ++i)
# define reps(i, n) for(int i=1, i##_len=(n); i<=i##_len; ++i)
# define rrep(i, n) for(int i=((int)(n)-1); i>=0; --i)
# define rreps(i, n) for(int i=((int)(n)); i>0; --i)
# define ALL(x) (x).begin(), (x).end()
# define SZ(x) ((int)(x).size())
# define pb push_back
# define optimize_cin() cin.tie(0); ios::sync_with_stdio(false)
using namespace std;
using lint = long long;
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
void solve() {
int N;
cin >> N;
double x[N];
rep(i,N) cin >> x[i];
double ans1=0, ans2=0, ans3=-1;
cout << fixed << setprecision(20);
rep(i,N) ans1+=abs(x[i]);
cout << ans1 << endl;
lint temp = 0;
rep(i,N) temp += x[i]*x[i];
cout << sqrt(temp) << endl;
rep(i,N) ans3 = max(abs(x[i]), ans3);
cout << ans3 << endl;
// cout << ans << endl;
}
signed main() {
solve();
return 0;
} |
#include<iostream>
#include<string>
using namespace std;
int main() {
int T,N;
cin >> T;
string s1,s2,s3;
int i,j;
for(i=0;i<T;i++) {
cin >> N >> s1 >> s2 >> s3;
cout << "0";
for(j=0;j<N;j++)cout << "1";
for(j=0;j<N;j++)cout << "0";
cout << endl;
}
} | #include<bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
int n;
cin>>n;
vector<int>a(n),b(n),c(n);
for(int i=0;i<n;i++)
{
cin>>a[i];
if(i)a[i]=max(a[i],a[i-1]);
}
for(int i=0;i<n;i++)
cin>>b[i];
for(int i=0;i<n;i++)
{
c[i]=a[i]*b[i];
if(i)c[i]=max(c[i],c[i-1]);
}
for(int i=0;i<n;i++)
cout<<c[i]<<endl;
return 0;
} |
#include <iostream>
#include <iostream>
#include <utility>
#include <vector>
#include <algorithm>
#include <iomanip>
#include <tuple>
#include <math.h>
#include <set>
#include <cassert>
#include <stack>
#include <bitset>
#include <map>
#include <queue>
#include <random>
#include <unordered_set>
#include <unordered_map>
#define pqueue priority_queue
#define pb(x) push_back(x)
#define endl '\n'
#define all(x) x.begin(), x.end()
#define int long long
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<int> vi;
typedef vector<vector<int> > vvi;
typedef vector<ull> vull;
typedef vector<ll> vll;
// typedef tuple<ll, ll, ll> tiii;
typedef pair<int, int> pii;
typedef vector<pair<int, int> > vpii;
typedef vector<bool> vb;
typedef vector<string> vs;
typedef vector<vector<ll> > vvll;
typedef vector<char> vc;
const int inf = 1e9 + 228;
//const int mod = 1e9 + 7;
void fast_io() {
ios_base::sync_with_stdio(0);
cin.tie(0);
// freopen("river.in", "r", stdin);
// freopen("river.out", "w", stdout);
}
int gcd(int a, int b){
return (b?gcd(b, a%b):a);
}
int phi (int n) {
int result = n;
for (int i=2; i*i<=n; ++i)
if (n % i == 0) {
while (n % i == 0)
n /= i;
result -= result / i;
}
if (n > 1)
result -= result / n;
return result;
}
int binpow(int n, int k, int mod){
if(!k)
return 1;
if(k&1)
return binpow(n, k-1, mod) * n % mod;
int b = binpow(n, k/2, mod);
return b*b%mod;
}
void solve(){
int n, s, k;
cin >> n >> s >> k;
int a = k;
int b = n-s;
// cout << a << " " << b << endl;
// cout << b * binpow(a, n-2, n) % n << endl;
if(b % gcd(a, n)){
cout << -1 << endl;
} else{
int lol = gcd(a, n);
a /= lol;
b /= lol;
int st_n = n;
n /= lol;
int x = b * binpow(a, phi(n)-1, n) % n;
int kek = (st_n - x) / n;
x += kek * n;
x += n;
x %= st_n;
cout << x << endl;
}
}
signed main() {
fast_io();
srand(time(NULL));
cout << fixed << setprecision(10);
int q = 1;
cin >> q;
while (q--)
solve();
}
| #include <stdio.h>
#include <iostream>
#include <iomanip>
#include <sstream>
#include <fstream>
#include <string>
#include <vector>
#include <deque>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <algorithm>
#include <functional>
#include <utility>
#include <bitset>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cstdio>
using namespace std;
long long extGCD(long long a, long long b, long long &x, long long &y) {
if (b == 0) {
x = 1;
y = 0;
return a;
}
long long d = extGCD(b, a%b, y, x);
y -= a/b * x;
return d;
}
int main(){
long T;
long long N,S,K,d,ans,x0,y0;
cin>>T;
for(int i=0;i<T;++i){
cin>>N>>S>>K;
if(S%__gcd(K,N)!=0){
ans=-1;
}
else{
d=__gcd(K,N);
K=K/d;
N=N/d;
S=S/d;
extGCD(K,N,x0,y0);
x0%=N;
x0=(-x0*S)%N;
if(x0<0){
x0+=N;
}
ans=x0;
}
cout<<ans<<endl;
}
return 0;
} |
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<iomanip>
#include<math.h>
#include<complex>
#include<queue>
#include<deque>
#include<stack>
#include<map>
#include<set>
#include<bitset>
#include<functional>
#include<assert.h>
#include<numeric>
using namespace std;
#define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i )
#define rep(i,n) REP(i,0,n)
using ll = long long;
constexpr int inf=1e9+7;
constexpr ll longinf=1LL<<60 ;
constexpr ll mod = 998244353 ;
ll dp[5050][5050];
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
int h, w, n;
cin>>h>>w>>n;
vector<string> a(h, string(w, '.'));
rep(i,n){
int x,y;
cin>>x>>y;
cin>>a[--x][--y];
}
dp[0][0]=1;
rep(i,h*w-n)dp[0][0]=3*dp[0][0]%mod;
ll inv3 = (mod+1)/3;
rep(i,h)rep(j,w){
dp[i][j] %= mod;
if(a[i][j]=='X'){
dp[i+1][j]+=dp[i][j];
dp[i][j+1]+=dp[i][j];
} else if(a[i][j]=='R'){
dp[i][j+1]+=dp[i][j];
} else if(a[i][j]=='D'){
dp[i+1][j]+=dp[i][j];
} else {
dp[i+1][j]+=2*inv3*dp[i][j];
dp[i][j+1]+=2*inv3*dp[i][j];
}
}
cout<<dp[h-1][w-1]<<endl;
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
const int mod = 998244353;
int dp[5005][5005];
char s[5005][5005];
int main(){
int inv = 332748118;
int h, w, k;
scanf("%d%d%d", &h, &w, &k);
for(int i=1;i<=h;i++) for(int j=1;j<=w;j++) s[i][j] = '.';
for(int i=1;i<=k;i++){
int h, w;
char c[2];
scanf("%d%d%s", &h, &w, c);
s[h][w] = c[0];
}
dp[1][1] = 1;
for(int i=1;i<=h*w-k;i++) dp[1][1] = dp[1][1]*1ll*3%mod;
for(int i=1;i<=h;i++){
for(int j=1;j<=w;j++){
if(i == 1 && j == 1) continue;
if(i-1 >= 1){
if(s[i-1][j] == 'D' || s[i-1][j] == 'X') dp[i][j] = (dp[i][j] + dp[i-1][j])%mod;
if(s[i-1][j] == '.') dp[i][j] = (dp[i][j] + dp[i-1][j]*1ll*inv%mod*2%mod)%mod;
}
if(j-1 >= 1){
if(s[i][j-1] == 'R' || s[i][j-1] == 'X') dp[i][j] = (dp[i][j] + dp[i][j-1])%mod;
if(s[i][j-1] == '.') dp[i][j] = (dp[i][j] + dp[i][j-1]*1ll*inv%mod*2%mod)%mod;
}
}
}
printf("%d\n", dp[h][w]);
} |
#include<bits/stdc++.h>
using namespace std;
#define MOD 1000000007
//#define MOD 998244353
#define INF 1000000010
#define EPS 1e-9
#define F first
#define S second
#define debug(x) cout<<x<<endl;
#define repi(i,x,n) for(int i=x;i<n;i++)
#define rep(i,n) repi(i,0,n)
#define lp(i,n) repi(i,0,n)
#define repn(i,n) for(int i=n;i>=0;i--)
#define int long long
#define endl "\n"
typedef pair<int,int> PII;
typedef pair<int,string> PIS;
typedef pair<string,int> PSI;
template <typename T>
bool chmax(T &a, const T& b) {
if (a < b) {
a = b;
return true;
}
return false;
}
template <typename T>
bool chmin(T &a, const T& b) {
if (a > b) {
a = b;
return true;
}
return false;
}
char calc(char c,char d){
if(c==d) return c;
else{
if(c=='B'){
if(d=='W') return 'R';
else return 'W';
}else if(c=='W'){
if(d=='B') return 'R';
else return 'B';
}else{
if(d=='W') return 'B';
else return 'W';
}
}
}
signed main(){
//cin.tie(0);
//ios::sync_with_stdio(false);
int n;
cin>>n;
string s;
cin>>s;
vector<int> trg;
int num=1;
while(num<400000){
trg.push_back(num);
num*=3;
}
trg.push_back(num*3);
int now=0;
string nxt="";
while(s.size() != 1){
now=0;
while( (s.size()-1) % trg[now+1] == 0) now++;
//cout<<s<<" "<<now<<endl;
nxt="";
//cout<<trg[now-1]<<endl;
for(int i=0;i<s.size()-trg[now];i+=trg[now]){
nxt+=calc(s[i],s[i+trg[now]]);
}
s=nxt;
//cout<<s<<endl;
}
cout<<s<<endl;
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define ll long long
const int N=400010;
int a[N];
const int mod=3;
int n;
ll qmi(ll a, ll k){
ll res = 1;
while(k){
if(k & 1) res = res * a % mod;
a = a * a % mod;
k >>= 1;
}
return res;
}
ll C(ll a, ll b, ll p){
if(b > a) return 0;
ll res = 1;
for(int i = 1, j =a;i<=b;i++,j--){
res = res * j % p;
res = res * qmi(i, p - 2) % p;
}
return res;
}
ll lucas(ll a, ll b, ll p){
if(a < p && b < p) return C(a, b, p);
return C(a % p, b % p, p) * lucas(a / p, b / p, p) % p;
}
int main(){
scanf("%d",&n);
getchar();
char ch;
for(int i=1;i<=n;i++){
scanf("%c",&ch);
if(ch=='B')a[i]=0;
else if(ch=='W')a[i]=1;
else a[i]=2;
}
ll ans=0;
for(int i=1;i<=n;i++){
ans=(ans+lucas(n-1,i-1,mod)*a[i])%mod;
}
if(n%2==0)ans=-ans;
ans=(ans+mod)%mod;
if(ans==0)printf("B\n");
else if(ans==1)printf("W\n");
else printf("R\n");
} |
#include<bits/stdc++.h>
using namespace std;
void solve(int TestCase) {
int n, k, m;
cin >> n >> k >> m;
n--;
vector<int> A(n);
for(auto& x : A)
cin >> x;
int sum = 0;
for(auto x : A)
sum += x;
int need = m * (n+1) - sum;
if(need > k)
cout << -1 << endl;
else if(need < 0)
cout << 0 << endl;
else
cout << need << endl;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int t = 1;
//cin >> t;
for(auto i = 1; i <= t; ++i)
solve(i);
}
| #include <iostream>
#include <stdio.h>
#include <string>
#include <math.h>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <cassert>
#include <utility>
#include <numeric>
#include <cstring>
#include <map>
#include <set>
#include <cmath>
#define rep(i,n) for (int i=0; i<(n); ++i)
using namespace std;
using ll = long long;
int main (){
int N,K,M;
cin >> N >> K >>M;
int A[N];
int sum=0;
for (int i=0;i<N-1;i++){
cin >> A[i];
sum += A[i];
}
int g = M*N - sum;
if (g>K)cout << "-1";
else cout <<max(0, g);
} |
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
/*-----for personal-----*/
#define rep(i,a,b) for(int i=(a);i<(b);++i)
#define repn(i,n) rep(i,0,n)
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
/*-----for lib-----*/
#define REP(i, n) for (int i = 0; (i) < (int)(n); ++ (i))
#define REP3(i, m, n) for (int i = (m); (i) < (int)(n); ++ (i))
#define REP_R(i, n) for (int i = (int)(n) - 1; (i) >= 0; -- (i))
#define REP3R(i, m, n) for (int i = (int)(n) - 1; (i) >= (int)(m); -- (i))
#define ALL(x) std::begin(x), std::end(x)
const long double EPS = 1e-12;
const int MOD = 1e9+7;
const int INF = INT_MAX / 2;
const ll LLINF = LLONG_MAX / 2;
//for(auto &h : H){ cout << h << " ";} cout << endl;
//for(auto &h : H){for(auto &k:h){cout << k << " ";}cout << endl;}
//for(auto [k,v] : mp){cout << k << " " << v << endl;}
//for(auto [k,v] : mp){cout << k << " "; for(auto &u:v){cout << u << " ";}cout << endl;}
/*
f(n) = (f(n+1)+1) * 1/M + (f(n+2)+1) * 1/M + .... + (f(n+M)+1) * 1/M
= 1/M (f(n+1)+1+f(n+2)+1+f(n+3)+1+f(n+M)+1)
= 1/M (f(n+1)+f(n+2)+...+f(n+M)+M)
= 1/M (f(n+1)+f(n+2)+...+f(n+M)) + 1
f(n) = f(0) [循環する]
g(n) = 1/M (g(n+1)+g(n+2)+....+g(n+M)) + 1 振り出しじゃない
g(n) = X 振り出し
g(0) = 1/M (g(1)+g(2)+....+g(M)) + 1
f(0) - f(0)A = B
(1-A)f(0) = B
Mf(0) = MB/(M-MA)
A = 1/M*(1~Nでgが振り出しの数)
B = 1/M+(1~Mでgが振り出しでない数)+1
MA = (1~Nでgが振り出しの数)
MB = (1~Mでgが振り出しでない数)+M
*/
const int N = 100000;
const int M = 100000;
vector<bool> A(N+1,false);
vector<long double> dp(N+M, 0);
vector<long double> S(N+M, 0);
int n, m, k;
long double f(long double v){
for(int i = n-1; i>=0; i--){
if(A[i]){
dp[i] = v;
}else{
dp[i] = 1+(S[i+1]-S[i+1+m])/m;
}
S[i] = dp[i] + S[i+1];
}
return dp[0];
}
int main(){
cin >> n >> m >> k;
repn(i,k){
int a; cin >> a;
A[a] = true;
}
int count = 0;
for(int i = 0; i <= n; i++){
if(!A[i]){count=0; continue;}
count++;
if(count>=m){ cout << -1 << endl; return 0;}
}
long double l=0, r=1e12, mid;
//mid -> v
count = 0;
while(count<=100) {
mid=(l+r)/2;
if(abs(f(mid)-mid)<EPS) break;
else if(f(mid)>mid) l=mid;
else r=mid;
count++;
}
cout << setprecision(12) << mid << endl;
}
| //............Created by:- Arth Raj...........................//
#include <string.h>
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <set>
#include <bitset>
#include <list>
#include <stack>
#include <queue>
#include <algorithm>
#include <numeric>
#include <sstream>
#include <climits>
#include <iomanip>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include<sstream>
#define ll long long int
#define pll pair<long long int,long long int>
#define pb push_back
#define mp make_pair
#define vi vector<long long int>
#define vii vector<pair<long long int,long long int>>
#define tez ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define lp(i,a,b) for(long long int i=a;i<b;i++)
#define rlp(i,a,b) for(long long int i=b;i>=a;i--)
#define ld long double
#define tl tuple<ll,ll,ll>
#define all(x) (x).begin(),(x).end()
#define bs(x,b) binary_search(all(x),b)
#define vip vector<pair<long long int,pair<long long int,long long int>>>
#define pip pair<long long int,pair<long long int,long long int>>
#define INF 1e18
using namespace std;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;
ll abm(ll a, ll b, ll m) {ll ans = 1; a = a % m; while (b > 0) {if (b & 1)ans = (ans * a) % m; a = (a * a) % m; b = b / 2;} return ans % m;}
ll ncr(ll n, ll r, ll m) {if (r == 0)return 1; ll fac[n + 5]; fac[0] = 1; lp(i, 1, n + 1) {fac[i] = fac[i - 1] * i % m;} return (((fac[n] * abm(fac[r], m - 2, m)) % m) * (abm(fac[n - r], m - 2, m))) % m;}
int main()
{
ll a, b, k;
cin >> a >> b >> k;
ll dp[70][70];
lp(i, 0, 70)
{
dp[i][0] = 1;
}
lp(i, 1, 70)
{
lp(j, 1, i + 1)
{
dp[i][j] = i * dp[i - 1][j - 1];
dp[i][j] /= j;
}
}
char ans[a + b];
ll pointer = 0;
ll lefta = a, leftb = b;
ll totalper = dp[a + b][a];
while (pointer < (a + b))
{
ll x = dp[lefta + leftb - 1][leftb];
// cout << x << endl;
if (k > x)
{
// cout << "awd" << endl;
ans[pointer++] = 'b';
k -= x;
leftb--;
}
else
{
ans[pointer++] = 'a';
lefta--;
}
// cout << k << endl;
if (k <= 1)
break;
}
lp(i, pointer, a + b)
{
if (lefta)
{
ans[i] = 'a';
lefta--;
}
else
{
ans[i] = 'b';
leftb--;
}
}
lp(i, 0, a + b)
{
cout << ans[i];
}
cout << endl;
} |
#include <bits/stdc++.h>
#define fo(i, k, n) for (ll i = k; i < n; i++)
#define rfo(i, k, n) for (ll i = k; i >= n ; i--)
#define ll long long
#define ld long double
#define que queue
#define pb push_back
#define mp make_pair
#define vi vector<int>
#define vl vector<ll>
#define gcd(m,n) __gcd( m, n)
#define sq(x) (x*x)
#define rev(v) reverse(v.begin(),v.end())
#define srt(v) sort(v.begin(),v.end())
#define grtsrt(v) sort(v.begin(),v.end(),greater<int>())
#define mnv(v) *min_element(v.begin(),v.end())
#define mxv(v) *max_element(v.begin(),v.end())
#define all(v) v.begin(),v.end()
#define toInteger(s) stoll(s)
#define toString(num) to_string(num)
#define show(arr) { for (auto x: arr) cout << x << " "; cout << '\n'; }
using namespace std;
ll MOD = 1e9 + 7;
//--------------------------------------------functions-------------------------------------------------//
ll power(ll a,ll b){ll result=1;while(b>0){if(b%2 == 1){result *= a;} a *= a;b /= 2;}return result;}
ll countSetBits(ll x){ll Count=0;while(x>0){if(x&1) Count++;x=x>>1;}return Count;}
bool isPerfectSquare(ll n){ll sr = sqrt(n);if (sr * sr == n)return true;else return false;}
ll mod(ll x,ll M){return ((x%M + M)%M);}
ll mul(ll a, ll b,ll M){return mod(mod(a,M)*mod(b,M),M);}
ll powerM(ll a,ll b,ll M){
ll res=1ll;
while(b){
if(b%2ll==1ll){
res=mul(a,res,M);
}
a=mul(a,a,M);b/=2ll;
}
return res;
}
int log22(long long x)
{
return 64 - __builtin_clzll(x) - 1;
}
//--------------------------------------------SieveOfEratosthenes-------------------------------------------------//
//mem will have true if its prime.
void SieveOfEratosthenes( vector<bool>&mem)
{ ll n = 1e6 +1;
bool prime[n + 1];
memset(prime, true, sizeof(prime));
for (int p = 2; p * p <= n; p++)
{
if (prime[p] == true)
{
for (int i = p * p; i <= n; i += p)
prime[i] = false;
}
}
fo(i,2,n)
if(prime[i])mem[i]=true;
}
//--------------------------------------------solve-------------------------------------------------//
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
//freopen("input.txt","r",stdin);
//freopen("output.txt","w",stdout);
cout<<fixed;
float a,b;
cin>>a>>b;
float answer = a*b/100.0;
cout<<setprecision(8)<<answer;
return 0;
}
| //clear adj and visited vector declared globally after each test case
//check for long long overflow
//Mod wale question mein last mein if dalo ie. Ans<0 then ans+=mod;
//Incase of close mle change language to c++17 or c++14
/**#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops”)**/
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define int long long
#define IOS std::ios::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL);cout.precision(dbl::max_digits10);
#define pb push_back
#define mod 998244353ll
#define lld long double
#define mii map<int, int>
#define pii pair<int, int>
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
#define rep(i,x,y) for(int i=x; i<y; i++)
#define fill(a,b) memset(a, b, sizeof(a))
#define vi vector<int>
#define setbits(x) __builtin_popcountll(x)
#define print2d(dp,n,m) for(int i=0;i<=n;i++){for(int j=0;j<=m;j++)cout<<dp[i][j]<<" ";cout<<"\n";}
typedef std::numeric_limits< double > dbl;
using namespace __gnu_pbds;
using namespace std;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
//member functions :
//1. order_of_key(k) : number of elements strictly lesser than k
//2. find_by_order(k) : k-th element in the set
const long long N=200005, INF=2000000000000000000;
lld pi=3.1415926535897932;
int lcm(int a, int b)
{
int g=__gcd(a, b);
return a/g*b;
}
int power(int a, int b, int p)
{
if(a==0)
return 0;
int res=1;
a%=p;
while(b>0)
{
if(b&1)
res=(res*a)%p;
b>>=1;
a=(a*a)%p;
}
return res;
}
int dp[N][20];
int fact[N],inv[N];
void pre()
{
fact[0]=1;
inv[0]=1;
for(int i=1;i<N;i++)
fact[i]=(i*fact[i-1])%mod;
for(int i=1;i<N;i++)
inv[i]=power(fact[i], mod-2, mod);
}
int nCr(int n, int r, int p)
{
if(r>n)
return 0;
if(n==r)
return 1;
if (r==0)
return 1;
return (((fact[n]*inv[r]) % p )*inv[n-r])%p;
}
int32_t main()
{
IOS;
pre();
int n, m;
cin>>n>>m;
int ans=0;
for(int i=m;i>0;i--)
{
dp[i][0]=1;
for(int j=i*2;j<=m;j+=i)
{
for(int k=1;k<20;k++)
dp[i][k]+=dp[j][k-1];
}
rep(j,0,20)
{
dp[i][j]%=mod;
ans+=(nCr(n-1, j, mod)*dp[i][j])%mod;
ans%=mod;
}
}
cout<<ans;
} |
//wtrl,everybody hangbeat me
#pragma GCC optimize(3)
#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
#include<iostream>
#include<string>
#include<cmath>
#include<cstdio>
#include<cctype>
#include<cstring>
#include<iomanip>
#include<cstdlib>
#include<ctime>
#include<set>
#include<map>
#include<utility>
#include<queue>
#include<vector>
#include<stack>
#include<sstream>
#include<algorithm>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pii,pii> piiii;
typedef vector<pii> vii;
typedef vector<int> vi;
typedef queue<int> qi;
typedef queue<char> qc;
typedef queue<string> qs;
typedef vector<char> vc;
typedef vector<string> vs;
typedef map<char,int> mpci;
typedef map<int,int> mpii;
typedef map<string,int> mpsi;
typedef set<int> sei;
typedef set<char> sec;
typedef set<string> ses;
typedef stack<ll> si;
typedef stack<char> sc;
typedef vector<ll> vll;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef pair<ll,ll> pll;
typedef pair<double,double> pdd;
typedef vector<pll> vpll;
typedef vector<pdd> vdd;
typedef unsigned int uint;
typedef long double ld;
typedef vector<bool> vb;
typedef vector<double> vd;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<vii> vvii;
/*=====================================================================*/
#define pb push_back
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define sz(a) (int)(a.size())
#define len(a) (int)(a.length())
#define all(s) (s).begin(),(s).end()
#define fi first
#define se second
#define be begin
#define en end
#define m_p make_pair
#define repd(i,n) for(int i=n-1;i>=0;i--)
#define forn(i,p,n) for(int i=p;i<=n;i++)
#define ford(i,p,n) for(int i=n;i>=p;i--)
#define foreach(i,c) for(__typeof(c.begin())i=(c.begin());i!=(c).end();++i)
#define zero(a) memset(a,0,sizeof(a))
#define number(a,num) memeset(a,num,sizeof(a))
#define INF 1e9
#define PI acos(-1)
/*=====================================================================*/
string int_to_string(ll n)
{
string s="";
while(n)
{
ll now=n%10;
s+=now+'0';
n/=10;
}
reverse(s.begin(),s.end());
return s;
}
ll string_to_int(string s)
{
ll n=0;
rep(i,s.size())
{
n*=10;
n+=s[i]-'0';
}
return n;
}
/*======================================================================*/
ll lcm(int a,int b)
{
return a/__gcd(a,b)*b;
}
bool prime(int n)
{
if(n==0||n==1)
return false;
for(int i=2;i*i<=n;i++)
if(n%i==0)
return false;
return true;
}
string turn(int n,int k)
{
string s="";
while(n)
{
s+=(char)(n%k+'0');
n/=k;
}
reverse(s.begin(),s.end());
return s;
}
const string turn16(int n)
{
string s="";
while(n!=0)
{
if(n%16>9)
s+=(char)('A'+n%16-10);
else
s+=(char)('0'+n%16);
n/=16;
}
reverse(s.begin(),s.end());
return s;
}
/*======================================================================*/
const int dx[]={-1,0,1,0};
const int dy[]={0,-1,0,1};
const int month[2][12]={{31,28,31,30,31,30,31,31,30,31,30,31},{31,29,31,30,31,30,31,31,30,31,30,31}};
/*======================================================================*/
int main()
{
std::ios::sync_with_stdio(false);
/*
freopen("input.txt","r",stdin);
freopen("output.txt","w",stdout);
*/
/*====================================================================*/
string s;
cin>>s;
if(s[0]==s[1]&&s[1]==s[2])
{
cout<<"Won"<<endl;
}
else
{
cout<<"Lost"<<endl;
}
return 0;
}
| #include <iostream>
using namespace std;
int main() {
string s;
cin >> s;
if (s[0] == s[1]) {
if (s[1] == s[2]) {
cout << "Won";
return 0;
}
}
cout << "Lost";
return 0;
} |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
#define rep(i,n) for(ll i=0;i<ll(n);i++)
#define REP(i,k,n) for(ll i=k;i<ll(n);i++)
#define all(a) a.begin(),a.end()
#define eb emplace_back
#define lb(v,k) (lower_bound(all(v),k)-v.begin())
#define ub(v,k) (upper_bound(all(v),k)-v.begin())
#define fi first
#define se second
#define PQ(T) priority_queue<T>
#define SPQ(T) priority_queue<T,vector<T>,greater<T>>
#define UNIQUE(a) sort(all(a));a.erase(unique(all(a)),a.end())
#define decimal cout<<fixed<<setprecision(10)
using ll=long long;
using P=pair<ll,ll>;
using vi=vector<ll>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
constexpr ll inf=1001001001001001;
constexpr int INF=1001001001;
constexpr int mod=1000000007;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
void YesNo(bool b){if(b)out("Yes");else out("No");}
void yesno(bool b){if(b)out("yes");else out("no");}
void YESNO(bool b){if(b)out("YES");else out("NO");}
ll modpow(ll a,ll b){ll c=1;while(b>0){if(b&1){c=a*c%mod;}a=a*a%mod;b>>=1;}return c;}
vi calc(ll x){vi v;while(x>0){v.eb(x%10);x/=10;}reverse(all(v));return v;}
int main(){
double a,b;
cin>>a>>b;
decimal;
out(a*b/100);
} | #include <bits/stdc++.h>
using namespace std;
//#define int long long
template <int mod = 1000000007>
struct modint{
int x;
modint(int y = 0) : x((y % mod + mod) % mod) { }
friend modint operator^(modint a, long long b) {
modint r = 1;
for(; b; b >>= 1, a *= a) if(b & 1) r *= a;
return r;
}
friend modint operator-(modint a) {return modint(0) - a;}
friend modint operator!(modint a) {return a ^ (mod - 2);}
modint& operator/=(modint const& b) {return *this *= !b;}
friend bool operator==(modint a, modint b) {return a.x == b.x;}
friend bool operator!=(modint a, modint b) {return a.x != b.x;}
friend modint operator+(modint a, modint const& b) {return a += b;}
friend modint operator-(modint a, modint const& b) {return a -= b;}
friend modint operator*(modint a, modint const& b) {return a *= b;}
friend modint operator/(modint a, modint const& b) {return a /= b;}
modint& operator*=(modint const& b) {x = 1LL * x * b.x % mod; return *this;}
friend ostream& operator<<(ostream& os, modint const& a) {return os << a.x;}
modint& operator+=(modint const& b) {x += b.x; x = (x >= mod) ? x - mod : x;return *this;}
modint& operator-=(modint const& b) {x = x >= b.x ? x - b.x : x - b.x + mod;return *this;}
};
using mint = modint <>;
mint nCr(int n, int m) {
if(m > n) return mint(0);
mint res = 1;
for(int i = n - m + 1; i <= n; i++) res *= i;
for(int i = 1; i <= m; i++) res /= i;
return res;
}
int32_t main() {
ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
int n, m, sum = 0; cin >> n >> m;
vector <int> v(n + 1);
for(int i = 1; i <= n; i++) {
cin >> v[i];
sum += v[i];
}
if(sum > m) {
cout << 0 << endl;
return 0;
}
mint a = nCr(m + n, (sum + n));
cout << a << endl;
} |
#include <bits/stdc++.h>
using namespace std;
// vtqi6hy80o@email.edu.pl
#define rep(i, a, b) for(lli i = a; i < b; i++)
#define lli long long int
#define ld long double
#define all(v) v.begin(), v.end()
#define hell 1000000000000000
#define pb push_back
#define pf push_front
#define vi vector<lli>
#define vip vector<pair<lli, lli>>
#define F first
#define S second
#define pi 2*acos(0.0)
#define sz(s) s.size()
#define atmod (1000000000+7)
#define mod 998244353
// auto _C=clock();
// lli n = 10000000;
// int dx[]={1,-1,0,0};
// int dy[]={0,0,1,-1};
/*vector<bool> p(n + 1, true);
void sieve()
{
for (long long int i = 2; i * i <= n; i++)
{
if (p[i])
{
for (long long int j = i + i; j <= n; j = j + i)
{
p[j] = false;
}
}
}
}
*/
/*
WINNERS NEVER QUIT AND QUITTERS NEVER WIN!!
Falling down is an accident, Staying down is a choice.
*/
/*lli binpow(lli a, lli n,lli m)
{
lli r = 1;
a %=m ;
while (n > 0)
{
if (n & 1)
{
r = (r * a)%m ;
}
a = (a * a)%m ;
n = n / 2;
}
return r;
}*/
/*bool cmp(pair<lli,lli> a,pair<lli,lli> b)
{
if(a.F<b.F) return 1;
else if(a.F==b.F) return(a.S>b.S);
else return 0;
}*/
/*lli ncr(lli n,lli r)
{
lli res = 1;
rep(i,1,r+1)
{
res = (res%atmod*(n-r+i)%atmod)%atmod;
res = (res%atmod * binpow(i,atmod-2,atmod)%atmod)%atmod;
}
return res;
}*/
void solve()
{
lli n;
cin>>n;
lli a[n];
rep(i,0,n)cin>>a[i];
if(n==1)
{
cout<<a[0];
return;
}
lli dp[n][2];
lli f[n][2];
f[1][1]=f[1][0]=1;
rep(i,2,n)
{
f[i][1] = f[i-1][0];
f[i][0] = (f[i-1][1]%atmod+f[i-1][0]%atmod)%atmod;
}
dp[1][0] = (a[1]+a[0])%atmod;
dp[1][1] = (a[0]-a[1])%atmod;
rep(i,2,n)
{
dp[i][0] = (dp[i-1][1]%atmod+dp[i-1][0]%atmod + ((f[i-1][1]+f[i-1][0])%atmod)*a[i])%atmod;
dp[i][1] = (dp[i-1][0]%atmod - (f[i-1][0])%atmod*a[i]%atmod+(lli)atmod*atmod)%atmod;
}
cout<<(dp[n-1][1]%atmod+dp[n-1][0]%atmod)%atmod;
// cout<<endl;
// rep(i,1,n)
// {
// rep(j,0,2)
// {
// cout<<dp[i][j]<<" ";
// }
// cout<<endl;
// }
}
int main()
{
// ios_base::sync_with_stdio(false);
// cin.tie(0);
// cout.tie(0);
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
// sieve();
lli t = 1;
// cin >> t;
rep(i,1,t+1)
{
solve();
}
// cerr<<"\n\n\nTime elapsed: ";
// cout<<"\n"<<(double)(clock()-_C)*1000.0/CLOCKS_PER_SEC<<"ms\n";
} | #include <bits/stdc++.h>
using namespace std;
const int maxn=112345;
const long long mod=1000000007;
int n;
long long res,dp[maxn];
inline long long go(int x) {
if (x<=0) return 1;
return dp[x];
}
int main()
{
dp[0]=1;
dp[1]=2;
for (int i=2;i<maxn;++i)
dp[i]=(dp[i-1]+dp[i-2])%mod;
scanf("%d",&n);
for (int i=1;i<=n;++i) {
int x;scanf("%d",&x);
if (i==1) res+=go(n-1)*x%mod;
else res+=(go(i-2)*go(n-i)%mod-go(i-3)*go(n-i-1)%mod)*x%mod;
res=(res+mod)%mod;
}
cout<<res<<endl;
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
const long long int mod = 1000000007;
const long long int big = 2999999999999999999;
const long long int small = -2999999999999999999;
#define ll long long int
#define pb(a) push_back(a)
#define vll vector<long long int>
#define loop(i, n) for(long long int i=1;i<=n;i++)
#define loop0(i, n) for(long long int i=0;i<n;i++)
#define in(i) scanf("%lld", &i);
#define out(i) printf("%lld", i)
#define pll pair<ll, ll>
#define vpll vector<pair<ll, ll>>
ll n, m, k;
vll a, b, c, d;
void in2(ll& a, ll& b)
{
in(a);
in(b);
}
void in3(ll& a, ll& b, ll& c)
{
in(a);
in(b);
in(c);
}
ll howMany(vll counter)
{
ll ret = 0;
loop0(i, m)
{
if(counter[a[i]] && counter[b[i]])
ret += 1;
}
return ret;
}
ll solve(ll i, vll occ)
{
if(i == k-1)
{
return howMany(occ);
}
occ[c[i+1]] += 1;
ll a = solve(i+1, occ);
occ[c[i+1]] -= 1;
occ[d[i+1]] += 1;
ll b = solve(i+1, occ);
occ[d[i+1]] -= 1;
return max(a, b);
}
int main()
{
in2(n, m);
a.resize(m);
b.resize(m);
loop0(i, m)
{
in2(a[i], b[i]);
}
in(k);
c.resize(k);
d.resize(k);
loop0(i, k)
{
in2(c[i], d[i]);
}
vll occ(n+1, 0);
ll ans = solve(-1, occ);
cout<<ans<<"\n";
}
| //include
//------------------------------------------
#include <vector>
#include <list>
#include <map>
#include <set>
#include <deque>
#include <stack>
#include <bitset>
#include <algorithm>
#include <functional>
#include <numeric>
#include <utility>
#include <sstream>
#include <iostream>
#include <iomanip>
#include <cstdio>
#include <cmath>
#include <cstdlib>
#include <cctype>
#include <string>
#include <cstring>
#include <ctime>
#include <bits/stdc++.h>
#include<queue>
#include <numeric>
#include<stdio.h>
using namespace std;
//conversion
//------------------------------------------
inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}
//math
//-------------------------------------------
template<class T> inline T sqr(T x) {return x*x;}
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a = b; return 1; } return 0; }
//typedef
//------------------------------------------
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<string> VS;
typedef pair<int, int> PII;
typedef long long LL;
//container util
//------------------------------------------
#define ALL(a) (a).begin(),(a).end()
#define RALL(a) (a).rbegin(), (a).rend()
#define PB push_back
#define MP make_pair
#define SZ(a) int((a).size())
#define EACH(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define EXIST(s,e) ((s).find(e)!=(s).end())
#define SORT(c) sort((c).begin(),(c).end())
//repetition
//------------------------------------------
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define fore(i,a) for(auto &i:a)
//constant
//--------------------------------------------
const double EPS = 1e-10;
const double PI = acos(-1.0);
//clear memory
#define CLR(a) memset((a), 0 ,sizeof(a))
//debug
#define dump(x) cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
LL gcd(LL a, LL b){
if(b == 0) return a;
return gcd(b,a%b);
}
LL lcm(LL a, LL b){
LL g = gcd(a,b);
return a/g *b;
}
int ri(){
int n;
scanf("%d",&n);
return n;
}
int main(){
int N, M;
cin >> N >> M;
vector<pair<int, int>> cond(M);
for (auto &[A, B] : cond)
cin >> A >> B;
int K;
cin >> K;
vector<pair<int, int>> choice(K);
for (auto &[C, D] : choice)
cin >> C >> D;
int ans = 0;
for (int bit = 0; bit < 1 << K; bit++)
{
vector<bool> ball(N);
for (int i = 0; i < K; i++)
{
const auto [C, D] = choice[i];
ball[bit & 1 << i ? C : D] = 1;
}
int cnt = 0;
for (auto [A, B] : cond)
if (ball[A] && ball[B])
cnt++;
if (ans < cnt)
ans = cnt;
}
cout << ans << endl;
} |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i=0;i<n;i++)
int main(){
int n,m;
cin>>n>>m;
vector<int>a(n+2);
a[0]=0;
a[n+1]=0;
int maxa=0;
rep(i,n){
cin>>a[i+1];
maxa=max(maxa,a[i+1]);
}
set<int>is[maxa+2];
rep(i,n+2){
is[a[i]].insert(i);
}
rep(i,maxa+2){
if(is[i].size() ==0){
cout<<i<<endl;
return 0;
}
int temp=0;
for(auto e=is[i].begin();e != is[i].end();e++){
if(*e-temp>m){
cout<<i<<endl;
return 0;
}
else{
temp=*e;
}
}
if(n-temp>=m){
cout<<i<<endl;
return 0;
}
}
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define reps(i, a, n) for (int i = (a); i < (n); ++i)
#define rep(i, n) reps(i, 0, n)
#define deps(i, a, n) for (int i = (a); i >= (n); --i)
#define dep(i, n) deps(i, n, 0)
#define inf LLONG_MAX
#define int long long
#define mod 998244353
int a[1500005];
int x[1500005];
signed main(void)
{
int n, m; cin >> n >> m;
rep (i, n) cin >> a[i];
set<int> s;
rep (i, n+1) s.insert(i);
rep (i, m)
{
x[a[i]]++;
if (x[a[i]] == 1) s.erase(a[i]);
}
int ans;
ans = min(n, *(s.begin()));
reps (i, m, n)
{
x[a[i-m]]--;
x[a[i]]++;
if (a[i-m] != a[i])
{
if (x[a[i-m]] == 0) s.insert(a[i-m]);
if (x[a[i]] == 1) s.erase(a[i]);
}
ans = min(ans, *(s.begin()));
}
cout << ans << endl;
}
|
#pragma warning(disable: 4996)
#include <string>
#include <vector>
#include <iostream>
#include <cstdio>
#include <sstream>
#include <fstream>
#include <math.h>
#include <algorithm>
#include <map>
#include <bitset>
#include <queue>
using namespace std;
typedef long long ll;
#define rep(i,n) for (int i = 0; i < (n); i++)
const ll INF = 1e18;
int main() {
int n;
string s;
cin >> n >> s;
ll ans = n;
vector<int>cnt;
rep(i, n) {
if (s[i] == 'f')cnt.push_back(1);
else if (s[i] == 'o')cnt.push_back(2);
else if (s[i] == 'x')cnt.push_back(3);
else cnt.push_back(0);
int size = cnt.size();
//cout << i << ' ' << size << endl;
if (size >= 3 && cnt[size - 3] == 1 && cnt[size - 2] == 2 && cnt[size-1] == 3) {
ans -= 3;
rep(j, 3)cnt.pop_back();
}
}
cout << ans << endl;
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<(n);i++)
#define ALL(v) v.begin(),v.end()
template<typename T>
void fin(T a){
cout<<a<<endl;
exit(0);
}
signed main(){
int n;cin>>n;
vector<int> v(n);
REP(i,n)cin>>v[i];
REP(i,n)v[i]--;
set<int> rem;
REP(i,n-1)if(v[i]>i&&v[i+1]<i+1)rem.insert(i);
vector<int> ans;
while(rem.size()){
int p=*rem.begin();
ans.push_back(p);
rem.erase(p);
swap(v[p],v[p+1]);
for(int i=p-1;i<=p+1;i++)if(~i&&v[i]>i&&v[i+1]<i+1)rem.insert(i);
}
if(ans.size()!=n-1)fin(-1);
REP(i,n)if(i!=v[i])fin(-1);
for(int p:ans)cout<<p+1<<endl;
}
|
#include<bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define int long long
int akaPow(int e, int p)
{
int ans = 1;
while (p > 0)
{
if (p & 1) ans = ans * e;
e = e * e;
p >>= 1;
}
return ans;
}
int32_t main() {
IOS;
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int a, b, c;
cin >> a >> b >> c;
if (akaPow(a, 2) + akaPow(b, 2) < akaPow(c, 2)) cout << "Yes";
else cout << "No";
}
| #include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define M (L+R)/2
#define N 500009
#define inf 99999999999
#define ll long long
#define mod 1000000007
#define sz size();
using namespace std;
int main(){
ios::sync_with_stdio(0);
int V, T, S, D;
cin>>V>>T>>S>>D;
if(D>=T*V && D<=V*S){
cout<<"No"<<endl;
} else {
cout<<"Yes"<<endl;
}
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define PI 3.14159265358979323846
#define int long long
constexpr long long INF = numeric_limits<long long>::max() / 2;
constexpr int MOD =1000000007;
using Graph = vector<vector<int>>;
signed main() {
cin.tie(nullptr);
ios::sync_with_stdio(false);
int n,m;
cin>>n>>m;
map<pair<int,int>,int> p;
Graph g(n);
rep(i,m){
int u,v,c;
cin>>u>>v>>c;
u--;
v--;
c--;
if(u>v)swap(u,v);
p[make_pair(u,v)]=c;
g[u].push_back(v);
g[v].push_back(u);
}
queue<int> q;
q.push(0);
vector<int> ans(n,-1);
ans[0]=0;
while(!q.empty()){
int v=q.front();
q.pop();
for(auto nv:g[v]){
if(ans[nv]!=-1)continue;
int l=v,r=nv;
if(l>r) swap(l,r);
ans[nv]=p[make_pair(l,r)];
if(ans[v]==ans[nv]){
ans[nv]=(ans[nv]+1)%n;
}
q.push(nv);
}
}
rep(i,n){
cout<<ans[i]+1<<endl;
}
}
| //x<<y=x*2^y,x>>y=x/2^y
//1e5+3 is prime
//a+b=(axorb)+2*(a&b)
// in a matrix, all elements of a primary diagonal have constant diff of coordinates
// and a secondary diagonal has constant sum of coordinates
//use ll() for using an integer in self-built fn
//(x&-x) bitwise and of (x and its 2's complement) returns (last set bit)
//eg if x=1010 then it will return 0010
// careful dont print empty container(run time error)
//v.erase O(n)
//use ("\n") instead of endl as endl flushes the output buffer
//every time so takes more time than \n (TLE)
//stoll() and to_string((less than 1e19))
//INT_MAX is approx 3e10
//For sets use set_name.lower_bound(x)(strictly O(logn))
//NOT lb(all(s),x)(O(logn) for random access (eg vector) but for sets it is O(n));
#include<bits/stdc++.h>
typedef long long int ll;
#define ull unsigned long long int
#define lld long double
//#define endl "\n"
#define fi first
#define sec second
#define sp setprecision
#define lb lower_bound
#define ub upper_bound
#define For(i, a, b) for(long long int i = (a); i <= (b); i++)
#define Forr(i, a, b) for(long long int i = (a); i >= (b); i--)
#define pb push_back
#define mp(a,b) make_pair(a,b)
#define vll vector<ll>
#define pll pair<ll,ll>
#define vlld vector<lld>
#define vi vector<int>
#define vch vector<char>
#define sll set<ll>
#define sch set<ch>
#define vpll vector< pair<ll,ll> >
#define vpii vector< pair<int,int> >
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define mll map<ll, ll>
#define mcll map<char,ll>
#define sz(container) ll((container).size())
#define fill(a,b) memset(a, b, sizeof(a))
#define fast_io ios_base::sync_with_stdio(false),cin.tie(NULL),cout.tie(NULL)
using namespace std;
lld pi=3.1415926535897932;
const ll mod=998244353;
const ll dx[4]={-1, 0, 1, 0} , dy[4]={0, 1, 0, -1};
const ll dxx[8]={-1, -1, 0, 1, 1, 1, 0, -1} , dyy[8]={0, 1, 1, 1, 0, -1, -1, -1};
string ds="RLDU";
/***************************************
struct cmp
{
bool operator() (const pll &a, const pll &b) const
{
ll lena = a.sec - a.fi + 1;
ll lenb = b.sec - b.fi + 1;
if (lena == lenb) return a.fi < b.fi;
return lena > lenb;
}
};
********************************/
ll lcm(ll a, ll b)
{
ll g=__gcd(a, b);
return a/g*b;
}
ll binpow(ll a, ll b,ll m)
{
a %= m;
ll res = 1;
while (b > 0)
{
if (b & 1)
res = res * a % m;
a = a * a % m;
b >>= 1;
}
return res;
}
ll modinv(ll n)
{
return binpow(n, mod - 2,mod);
}
/**************coding*********************/
lld dp[102][102][102]={};
int main()
{
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
fast_io;
ll T=1;//cin>>T;
For(i,1,T)
{
ll a,b,c;cin>>a>>b>>c;
Forr(j,99,0)
{
Forr(k,99,0)
{
Forr(l,99,0)
{
lld sum=j+k+l;
if(sum!=0)
{
lld p1=(double(j)/sum),p2=(double(k)/sum),p3=double(l)/sum;
dp[j][k][l]=(1+((dp[j+1][k][l])*p1)+
((dp[j][k+1][l])*p2)+((dp[j][k][l+1])*p3));
}
}
}
}
cout<<sp(20)<<dp[a][b][c];
}
} |
#include <bits/stdc++.h>
#define mp make_pair
#define sc second
#define fr first
#define pb push_back
#define pii pair<int, int>
#define Nmax 100005
using namespace std;
vector <pii> v[Nmax];
int t[Nmax], s[Nmax], viz[Nmax], n, m;
int tata(int x)
{
if(x!=t[x]) t[x]=tata(t[x]);
return t[x];
}
void uneste(int x, int y)
{
if(s[x]>s[y])
{
t[y]=x;
s[x]+=s[y];
}
else
{
t[x]=y;
s[y]+=s[x];
}
}
void dfs(int x)
{
for(auto it:v[x])
if(viz[it.fr]==0)
{
if(viz[x]==it.sc)
viz[it.fr]=(viz[x]+1)%n+1;
else viz[it.fr]=it.sc;
dfs(it.fr);
}
}
int main()
{
ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0);
cin >> n >> m;
for(int i=1;i<=n;i++)
{
s[i]=1; t[i]=i;
}
for(int i=1;i<=m;i++)
{
int x, y, k;
cin >> x >> y >> k;
if(tata(x)!=tata(y))
{
uneste(t[x], t[y]);
v[x].push_back(mp(y, k));
v[y].push_back(mp(x, k));
}
}
viz[1]=1;
dfs(1);
for(int i=1;i<=n;i++)
cout << viz[i] << '\n';
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define REP(i, n) for(int (i)=0; (i)< (n); ++i)
#define REPR(i, n) for(int (i)=(n); (i)>=0; --i)
#define FOR(i, n, m) for(int (i)=(n); (i)<(m); ++i)
constexpr int INF = 1e9;
//constexpr ll INF = 1LL << 61;
constexpr int mod = 1e9+7;
struct Edge{
int x, y, d;
Edge(){}
Edge(int x, int y, int d): x(x), y(y), d(d){}
bool operator< (const Edge l)const{
return d < l.d;
}
};
struct UnionFind{
vector<int> node;
UnionFind(int n){
node = vector<int>(n, -1);
}
int find(int v){
if(node[v] < 0){
return v;
}
return node[v] = find(node[v]);
}
bool merge(int v, int u){
int rootv = find(v);
int rootu = find(u);
if(rootv == rootu) return false;
if(node[rootv] < node[rootu]){
swap(rootv, rootu);
}
node[rootv] += node[rootu];
node[rootu] = rootv;
return true;
}
int size(int v){
return -node[v];
}
};
vector<int> ans;
void dfs(int v, vector<vector<pair<int, int>>> &g, int root){
for(auto edge : g[v]){
int nv = edge.first;
int cost = edge.second;
if(nv == root) continue;
assert(nv != v);
if(ans[v] == cost){
if(cost ==0){
ans[nv]= 1;
}
else{
ans[nv] = 0;
}
}
else{
ans[nv] = cost;
}
dfs(nv, g, v);
}
}
int main(){
int N, M;
cin >> N >> M;
vector<Edge> edges(M);
REP(i, M){
int u, v, c;
cin >> u >> v >> c;
u--, v--, c--;
edges[i] = Edge(u, v, c);
}
sort(edges.begin(), edges.end());
vector<vector<pair<int, int>>> g(N);
UnionFind uf(N);
REP(i, M){
int u, v;
u = edges[i].x, v = edges[i].y;
if(uf.merge(u, v)){
g[v].push_back({u, edges[i].d});
g[u].push_back({v, edges[i].d});
}
}
ans.resize(N);
ans[0] = 0;
dfs(0, g, -1);
REP(i, N){
cout << ans[i]+1 << endl;
}
return 0;
}
|
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
#define endl "\n"
#define fi first
#define se second
#define For(i,a,b) for(ll i=a;i<b;i++)
#define RFor(i,b,a) for(ll i = b;i>=a;i--)
#define sz size()
#define PQ priority_queue
#define len length()
#define mll map<ll,ll>
#define mpll map<pll,ll>
#define vll vector<ll>
#define sll set<ll>
#define vpll vector<pair<ll,ll> >
#define mp(x,y) make_pair(x,y)
#define pll pair<ll,ll>
#define pb push_back
#define pf push_front
#define ALL(v) v.begin(),v.end()
#define print(ans) cout<<(ans?"YES":"NO")<<endl
#define LAPAK ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
const ll MOD = 1e9 + 7;
const ll INF = 2e18;
const int MAX = 1e5+3;
int main(){
LAPAK
cout<<fixed<<setprecision(15);
ll tc;
tc = 1;
//cin>>tc;
while(tc--){
ll n;
cin>>n;
ld a[n];
ll m = 0, c = 0;
ld e = 0;
For(i,0,n){
cin>>a[i];
m += abs(a[i]);
c = max(c, abs((ll)a[i]));
e += (a[i]*a[i]);
}
e = sqrt(e);
cout<<m<<endl<<e<<endl<<c<<endl;
}
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
typedef long long lint;
#define rep(i,n) for(lint (i)=0;(i)<(n);(i)++)
#define repp(i,m,n) for(lint (i)=(m);(i)<(n);(i)++)
#define repm(i,n) for(lint (i)=(n-1);(i)>=0;(i)--)
#define INF (1ll<<60)
#define all(x) (x).begin(),(x).end()
//const lint MOD =1000000007;
const lint MOD=998244353;
const lint MAX = 1000000;
using Graph =vector<vector<lint>>;
typedef pair<lint,lint> P;
typedef map<lint,lint> M;
#define chmax(x,y) x=max(x,y)
#define chmin(x,y) x=min(x,y)
lint fac[MAX], finv[MAX], inv[MAX];
void COMinit()
{
fac[0] = fac[1] = 1;
finv[0] = finv[1] = 1;
inv[1] = 1;
for (lint i = 2; i < MAX; i++)
{
fac[i] = fac[i - 1] * i % MOD;
inv[i] = MOD - inv[MOD % i] * (MOD / i) % MOD;
finv[i] = finv[i - 1] * inv[i] % MOD;
}
}
long long COM(lint n, lint k)
{
if (n < k)
return 0;
if (n < 0 || k < 0)
return 0;
return fac[n] * (finv[k] * finv[n - k] % MOD) % MOD;
}
lint primary(lint num)
{
if (num < 2) return 0;
else if (num == 2) return 1;
else if (num % 2 == 0) return 0;
double sqrtNum = sqrt(num);
for (int i = 3; i <= sqrtNum; i += 2)
{
if (num % i == 0)
{
return 0;
}
}
return 1;
}
long long modpow(long long a, long long n, long long mod) {
long long res = 1;
while (n > 0) {
if (n & 1) res = res * a % mod;
a = a * a % mod;
n >>= 1;
}
return res;
}
lint lcm(lint a,lint b){
return a/__gcd(a,b)*b;
}
lint gcd(lint a,lint b){
return __gcd(a,b);
}
int main(){
string s;
cin>>s;
lint now=0;
lint n=s.size();
lint a[n];
rep(i,n){
lint g=s[i]-'0';
a[i]=g;
a[i]%=3;
now+=g;
}
now%=3;
lint ans=INF;
if(now==0)ans=0;
else if(now==1){
rep(i,n)if(a[i]==1)chmin(ans,1LL);
lint count=0;
rep(i,n)if(a[i]==2)count++;
chmin(count,2LL);
if(count>=2&&(n-count)>0)chmin(ans,2LL);
}else if(now==2){
rep(i,n)if(a[i]==2)chmin(ans,1LL);
lint count=0;
rep(i,n)if(a[i]==1)count++;
chmin(count,2LL);
if(count>=2&&(n-count)>0)chmin(ans,2LL);
}
if(n==1){
lint g=s[0]-'0';
if(g%3!=0)ans=INF;
else ans=0;
}
if(ans==INF)cout<<-1<<endl;
else cout<<ans<<endl;
}
|
// Problem: D - Logical Expression
// Contest: AtCoder - AtCoder Beginner Contest 189
// URL: https://atcoder.jp/contests/abc189/tasks/abc189_d
// Memory Limit: 1024 MB
// Time Limit: 2000 ms
// Powered by CP Editor (https://github.com/cpeditor/cpeditor)
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
#define speed ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define mp make_pair
#define pb push_back
#define ff first
#define ss second
#define vi vector<ll>
#define vll vector<ll>
#define all(x) (x).begin() , (x).end()
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
#define rnd(x, y) uniform_ll_distribution<ll>(x, y)(rng)
void dbg(){
cerr << endl;
}
template<typename Head , typename... Tail>
void dbg(Head h , Tail... t){
cerr << h << " ";
dbg(t...);
}
#ifdef EMBI_DEBUG
#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", dbg(__VA_ARGS__)
#else
#define debug(...)
#endif
const ll max_n = 1e5 + 9;
const ll mod = 1e9 + 7;
const ll inf = 1e9;
typedef tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
ll power(ll a , ll b)
{
ll prod = 1;
while(b)
{
if(b&1)
prod = (prod*a)%mod;
a = (a*a)%mod;
b >>= 1;
}
return prod;
}
void solve(){
ll n;
cin >> n;
vector<string> vec(n);
for(ll i = 0 ; i < n ; i++){
cin >> vec[i];
}
ll dp[n+1][2];
dp[0][0] = dp[0][1] = 1;
for(ll i = 1 ; i <= n ; i++){
if(vec[i-1] == "AND"){
dp[i][0] = 2 * dp[i-1][0] + dp[i-1][1];
dp[i][1] = dp[i-1][1];
}
else{
dp[i][0] = dp[i-1][0];
dp[i][1] = 2 * dp[i-1][1] + dp[i-1][0];
}
}
cout << dp[n][1] << "\n";
}
signed main(){
ll t = 1;
// cin >> t;
for(ll i = 1 ; i <= t ; i++){
solve();
}
}
| #include<stdio.h>
#include<iostream>
#include<string.h>
#include<algorithm>
#include<queue>
#include<stack>
#include<math.h>
#include<map>
typedef long long int ll;
using namespace std;
#define maxn 0x3f3f3f3f
#define INF 0x3f3f3f3f3f3f3f3f
const int mm=2e5+100;
ll d[mm];
ll n;
string s[1000];
int main()
{
ll n,i,j,t,a,b,c,p,k,kk;
scanf("%lld",&n);
for(i=1;i<=n;i++) cin>>s[i];
ll sum=0;
for(i=n;i>=1;i--)
{
if(s[i]=="OR") sum+=(1ll<<i);
}
printf("%lld\n",++sum);
} |
#include <bits/stdc++.h>
using namespace std;
const long long INF = 10000000000000007;
const long long mod = 1000000007;
typedef long long ll;
typedef pair<int, int> P;
int main()
{
int n;
cin >> n;
cout << setprecision(10);
vector<double>dp(n+1);
dp[1] = 0;
for (int i = 1; i < n; i++) {
dp[i+1] = dp[i] + (double)n/(n-i);
}
cout << dp[n] << endl;
}
| #include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for (long long i = 0; i < (n); ++i)
using ll = long long;
using P = pair<ll,ll>;
using vec = vector<ll>;
using vecp = vector<P>;
using mat = vector<vec>;
using matp = vector<vecp>;
const ll MOD = 998244353;
const ll INF = 1e18;
#define all(v) v.begin(), v.end()
int main(){
ll N;
cin >> N;
if(N%2==0){
cout << "White" << endl;
}else{
cout << "Black" << endl;
}
}
|
#include<bits/stdc++.h>
using namespace std;
typedef long long int lli;
typedef long double ld;
/*
#include <chrono>
using namespace std::chrono;
#include <boost/multiprecision/cpp_int.hpp>
using namespace boost::multiprecision;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
#define ordered_set tree<lli, null_type,less_equal<lli>, rb_tree_tag,tree_order_statistics_node_update>
//remove _equal from less_equal to make it ordered set , currently it is ordered_multiset
*/
#define pb push_back
const lli mod=1e9+7;
const lli mod1=998244353;
#define fir first
#define sec second
#define plli pair<lli,lli>
#define pplli pair<lli,plli>
/*
lli power(lli a, lli b) {
lli res = 1;
while (b > 0) {
if (b & 1)
res = res * a;
a = a * a;
b >>= 1;
}
return res;
}
lli powermod(lli a, lli b)
{
lli res = 1;
while (b > 0) {
if (b & 1)
res = ((res%mod)*(a%mod))%mod;
a = (a * a)%mod;
b >>= 1;
}
return res%mod;
}
*/
int main()
{
lli T,i,j;
T=1;
while(T--)
{
lli n;
cin>>n;
lli a[n];
for(i=0;i<n;i++)
cin>>a[i];
sort(a,a+n);
lli x=a[n/2]/2;
lli f=(a[n/2]%2);
lli loss=0;
for(i=0;i<n;i++)
{
lli z=((a[i]+x)-min(a[n/2]*1ll,a[i]*1ll));
loss=loss+z;
}
if(f)
{
loss+=(n/2);
}
ld ans=(ld) loss/n;
if((n%2==1)and(f))
ans=ans+ ((ld)0.5/n);
cout<<fixed<<setprecision(10)<<ans<<"\n";
}
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
int main(){
int N;
cin >> N;
vector<int> T(N);
int sum = 0;
for(int i = 0; i < N; i++){
cin >> T[i];
sum += T[i];
}
int ave = (sum+1)/2;
vector<vector<int>> dp(101, vector<int>(1000001, 0));
for(int i = 0; i < N; i++){
for(int t = 0; t <= ave; t++){
if(t >= T[i] && abs(ave-dp[i][t-T[i]] - T[i]) < abs(ave-dp[i][t])){
dp[i+1][t] = dp[i][t-T[i]] + T[i];
}else{
dp[i+1][t] = dp[i][t];
}
dp[i+1][t];
}
}
cout << max(dp[N][ave], sum-dp[N][ave]) << endl;
}
|
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main() {
string S;
cin >> S;
string T;
bool rev = false;
string revT;
for (int i = 0; i < S.length(); i++){
if (S[i] == 'R') {
rev = !rev;
}
else {
if (rev) revT += S[i];
else T += S[i];
}
}
reverse(revT.begin(), revT.end());
T.insert(0, revT);
if (rev) reverse(T.begin(), T.end());
int i = 0;
while (i < (int) T.length()-1) {
if (T[i] == T[i+1]) {
T.erase(i, 2);
if (i>0) i--;
}
else i++;
}
cout << T << endl;
}
| #include <bits/stdc++.h>
using namespace std;
using ll= long long;
#define rep(i,n) for(ll i=0;i<n;i++)
int main(){
string S; cin >> S;
ll N = S.length();
deque<char> dq;
ll rr[N] = {};
rep(i, N){
if(i == 0){
if(S[i] == 'R'){
rr[i] = 1;
}
else {
rr[i] = 0;
dq.push_back(S[i]);
}
}
else {
if(S[i] == 'R'){
rr[i] = rr[i-1] + 1;
}
else {
rr[i] = rr[i-1];
if(rr[i-1] %2 == 0 ){
if(dq.size() && S[i] == dq.back() ){
dq.pop_back();
}
else {
dq.push_back(S[i]);
}
}
else {
if(dq.size() && S[i] == dq.front() ){
dq.pop_front();
}
else {
dq.push_front(S[i]);
}
}
}
}
}
if(rr[N-1] %2 != 0) reverse(dq.begin(), dq.end());
rep(i,dq.size()) cout << dq[i];
cout << endl;
} |
#include<bits/stdc++.h>
using ll = int_fast64_t;
using P = std::pair<ll,ll>;
using PP = std::pair<ll,P>;
#define REP(i,b,e) for(int i=b; i<e; i++)
#define PRINT(vec) {printf("[ ");for(auto &i:vec)printf("%ld ",i);puts("]");}
#define fi first
#define se second
const int MOD = 1e9+7;
int dx[] = {0, 1, 0, -1, 1, 1, -1, -1}, dy[] = {1, 0, -1, 0, 1, -1, -1, 1};
int main(){
int n;
scanf("%d", &n);
int a[n];
REP(i, 0, n) scanf("%d", &a[i]);
int last = -1;
REP(i, 0, n){
if(i>a[i]-1){
if(a[i]-1<last){
puts("-1");
return 0;
}
last = i;
}
}
last = n;
for(int i=n-1; i>=0; i--){
if(i<a[i]-1){
if(a[i]-1>last){
puts("-1");
return 0;
}
last = i;
}
}
std::set<int> used;
std::vector<int> ans;
int pos[n];
REP(i, 0, n) pos[a[i]-1] = i;
REP(i, 0, n){
if(i<pos[i]){
for(int j=pos[i]; j>i; j--){
if(used.count(j)){
puts("-1");
return 0;
}
used.insert(j);
ans.push_back(j);
pos[a[j-1]-1]++;
std::swap(a[j-1], a[j]);
}
pos[i] = i;
}else{
for(int j=pos[i]; j<i; j++){
if(used.count(j+1)){
puts("-1");
return 0;
}
used.insert(j+1);
ans.push_back(j+1);
pos[a[j+1]]--;
std::swap(a[j], a[j+1]);
}
}
}
if(used.size()!=n-1) puts("-1");
else for(int x: ans) printf("%d\n", x);
return 0;
}
| #include<bits/stdc++.h>
using namespace std;
#define int long long
#define fo(i,a,b) for(int i = a; i<b ; i++)
#define FIO ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
#define pb push_back
#define M 1000000007
int mod(int x){
return ((x%M + M)%M);
}
int add(int a,int b){
return mod(mod(a)+mod(b));
}
int mul(int a,int b){
return mod(mod(a)*mod(b));
}
// ****************************************************************************
int fun2(vector<int>&a,multiset<int>&st){
if(st.size()==0)
return 1e16;
int val;
int ans = LLONG_MAX;
fo(i,0,a.size()){
auto it = st.lower_bound(a[i]);
if(it!=st.begin())
it--;
fo(k,0,3){
if(it==st.end())
break;
if(ans>(abs(*it-a[i]))){
ans=abs(*it-a[i]);
val=*it;
}
it++;
}
}
st.erase(st.find(val));
return ans;
}
int fun(vector<int>&a,vector<int>&b,vector<int>&c){
sort(a.begin(),a.end());
sort(b.begin(),b.end());
int ans = LLONG_MAX;
fo(i,0,a.size()){
auto it = lower_bound(b.begin(),b.end(),a[i]);
if(it!=b.begin())
it--;
fo(k,0,3){
if(it==b.end())
break;
ans=min(ans,abs(*it-a[i]));
it++;
}
}
multiset<int>st;
for(auto it : c)
st.insert(it);
if(st.size()==0)
return ans;
int tempans = fun2(a,st);
tempans+=fun2(b,st);
return min(ans,tempans);
}
void solve(){
int n;
cin>>n;
n*=2;
vector<int>r,g,b;
fo(i,0,n){
int x;
cin>>x;
char cc;
cin>>cc;
if(cc=='R'){
r.pb(x);
}
else if(cc=='G')
g.pb(x);
else b.pb(x);
}
if(r.size()%2==0 && g.size()%2==0 && b.size()%2==0){
cout<<"0";
return;
}
if(r.size()%2 && g.size()%2)
cout<<fun(r,g,b);
else if(r.size()%2 && b.size()%2)
cout<<fun(r,b,g);
else cout<<fun(g,b,r);
}
signed main()
{
FIO
int t;
t=1;
// cin>>t;
while(t--)
{
solve();
}
} |
#pragma GCC optimize ("O2")
#pragma GCC target ("avx")
//#include<bits/stdc++.h>
//#include<atcoder/all>
//using namespace atcoder;
#include<iostream>
#include<cstring>
using namespace std;
typedef long long ll;
#define rep(i, n) for(int i = 0; i < (n); i++)
#define rep1(i, n) for(int i = 1; i <= (n); i++)
#define co(x) cout << (x) << "\n"
#define cosp(x) cout << (x) << " "
#define ce(x) cerr << (x) << "\n"
#define cesp(x) cerr << (x) << " "
#define pb push_back
#define mp make_pair
#define chmin(x, y) x = min(x, y)
#define chmax(x, y) x = max(x, y)
#define Would
#define you
#define please
const int CM = 1 << 17, CL = 12;
char cn[CM + CL], * ci = cn + CM + CL, * owa = cn + CM, ct;
const ll ma0 = 1157442765409226768;
const ll ma1 = 1085102592571150095;
const ll ma2 = 71777214294589695;
const ll ma3 = 281470681808895;
const ll ma4 = 4294967295;
inline int getint() {
if (ci - owa > 0) {
memcpy(cn, owa, CL);
ci -= CM;
fread(cn + CL, 1, CM, stdin);
}
ll tmp = *(ll*)ci;
int dig = 68 - __builtin_ctzll((tmp & ma0) ^ ma0);
tmp = tmp << dig & ma1;
tmp = tmp * 10 + (tmp >> 8) & ma2;
tmp = tmp * 100 + (tmp >> 16) & ma3;
tmp = tmp * 10000 + (tmp >> 32) & ma4;
ci += 72 - dig >> 3;
return tmp;
}
int A[100001], B[100001];
ll kotae = 0;
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
int N = getint();
rep(i, N) A[getint()]++;
rep1(i, N) B[i] = A[getint()];
rep(i, N) kotae += B[getint()];
co(kotae);
Would you please return 0;
} | #include <algorithm>
#include <iostream>
#include <math.h>
#include <stdio.h>
#include <string>
#include <sstream>
#include <vector>
#include <set>
#include <map>
#include <stack>
#include <cmath>
#include <iterator>
#include <queue>
#define ll long long int
using namespace std;
int main()
{
ll n,q;
cin>>n>>q;
vector<ll> a(n);
for(ll i = 0; i < n; i++){
cin>>a[i];
}
ll ans;
for(ll i = 0; i < q; i++){
ll num;
cin>>num;
ll ans;
if(num >= a[n-1]){
ans = num + n;
}else{
auto iter = lower_bound(a.begin(),a.end(),num);
num += distance(a.begin(),iter);
for(auto iter2 = iter; iter2 != a.end(); iter2++){
if(num < *iter2){
ans = num;
break;
}else{
num++;
ans = num;
}
}
}
cout<<ans<<endl;
}
return 0;
}; |
#include <bits/stdc++.h>
using namespace std;
int dx[4] = {0, 1, 0, 1}, dy[4] = {0, 0, 1, 1};
int main(){
int H, W;
cin >> H >> W;
vector<string> S(H);
for(int i = 0; i < H; i++) cin >> S[i];
int ans = 0;
for(int i = 0; i < H - 1; i++){
for(int j = 0; j < W - 1; j++){
int cnt = 0;
for(int k = 0; k < 4; k++){
int nx = i + dx[k], ny = j + dy[k];
if(S[nx][ny] == '#') cnt++;
}
if(cnt % 2 == 1) ans++;
}
}
cout << ans << endl;
} | #include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
//using mint = modint1000000007;
//using mint = modint998244353;
template <typename T> bool chmax(T &u, const T z) { if (u < z) {u = z; return true;} else return false; }
template <typename T> bool chmin(T &u, const T z) { if (u > z) {u = z; return true;} else return false; }
#define ll long long
#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)
typedef pair<ll, int> P;
ll gcd(ll x, ll y) { return y ? gcd(y, x % y) : x; }
ll lcm(ll a, ll b){return a * b / gcd(a, b);}
long long Seigenjikan=50000;//1800000;//実行時間1000000で1秒
long long Seigenjikan2=1900000;//1800000;//実行時間1000000で1秒
long long time_s;
clock_t endt,start;
int t[100][100];//入力受け取りタイルセット
int p[100][100];//タイルの得点
vector<int>used(2525,0);//タイルセットの使用を確認
int vx[4]={-1,1,0,0};
int vy[4]={0,0,-1,1};
char moji[4]={'U','D','L','R'};
int tmp_score,best_score;
string tmp_ans,best_ans;
void dfs(int x,int y){
//時間を計測
endt = clock();
time_s = endt - start;
if(time_s>Seigenjikan)return;
used[t[x][y]]=1;
tmp_score+=p[x][y];
if(tmp_score>best_score){
best_ans=tmp_ans;
best_score=tmp_score;
}
rep(i,4){
if(x+vx[i]<0||x+vx[i]>49||y+vy[i]<0||y+vy[i]>49)continue;
if(used[t[x+vx[i]][y+vy[i]]]==1)continue;
tmp_ans.push_back(moji[i]);
dfs(x+vx[i],y+vy[i]);
}
used[t[x][y]]=0;
tmp_ans.pop_back();
return;
}
int main(){
start = clock();
int si,sj,tmp_score,best_score=0;
string ans="",A="";
cin>>si>>sj;
int x=si;
int y=sj;
rep(i,50)rep(j,50)cin>>t[i][j];
rep(i,50)rep(j,50)cin>>p[i][j];
dfs(x,y);
cout<<best_ans<<endl;
return 0;
} |
#include <iostream>
#include <iomanip>
#include <cmath>
#include <algorithm>
#include <vector>
#include <stack>
#include <queue>
#include <tuple>
#include <string>
#include <list>
using namespace std;
long long min(long long int a,long long int b){
if(a>b){
return b;
}else{
return a;
}
}
long long int max(long long int a,long long int b){
if(a>b){
return a;
}else{
return b;
}
}
long long modpow(long long a, long long n, long long mod) {
long long res = 1;
while (n > 0) {
if (n & 1) res = res * a % mod;
a = a * a % mod;
n >>= 1;
}
return res;
}
// a^{-1} mod を計算する
long long modinv(long long a, long long mod) {
return modpow(a, mod - 2, mod);
}
void f(vector<vector<int>>& a,vector<vector<int>>& b,int N,int K){
for(int i=0;i<N-1;i++){
for(int j=i+1;j<N;j++){
int l=0;
for(int k=0;k<N;k++){
if(a[k][i]+a[k][j]>K){
break;
}
l+=1;
}
if(l==N){
b[i][j]=1;
b[j][i]=1;
}
}
}
}
void g(vector<vector<int>>& a,vector<vector<int>>& c,int N,int K){
for(int i=0;i<N-1;i++){
for(int j=i+1;j<N;j++){
int l=0;
for(int k=0;k<N;k++){
if(a[i][k]+a[j][k]>K){
break;
}
l+=1;
}
if(l==N){
c[i][j]=1;
c[j][i]=1;
}
}
}
}
int h(vector<vector<int>>& b,vector<int>& x,int N){
int M=1;
vector<int> a(N);
for(int i=0;i<N;i++){
a[i]=0;
}
stack<int> d;
for(int i=0;i<N;i++){
int j=0;
if(a[i]==0){
d.push(i);
a[i]=1;
}
while(!d.empty()){
int k=d.top();
d.pop();
j+=1;
for(int l=0;l<N;l++){
if(b[k][l]==1 && a[l]==0){
d.push(l);
a[l]=1;
}
}
}
if(j>1){
x.push_back(j);
M=max(M,j);
}
}
return M;
}
int main(){
long long int N;
cin>>N;
vector<long long int> A(N),B(N+1),C(N+1),D(N+1);
for(long long int i=0;i<N;i++){
cin>>A[i];
B[i]=0LL;
C[i]=0LL;
}
for(long long int i=1;i<N+1;i++){
B[i]=B[i-1]+A[i-1];
C[i]=max(C[i-1],B[i]);
}
D[0]=0LL;
long long int ans=0;
for(long long int i=1;i<N+1;i++){
D[i]=D[i-1]+B[i];
ans=max(ans,D[i]);
}
for(long long int i=0;i<N;i++){
ans=max(ans,D[i]+C[i+1]);
}
cout<<ans<<endl;
return 0;
} | #include <bits/stdc++.h>
using namespace std;
int main() {
int64_t N;
cin >> N;
vector<int64_t> A(N);
for (int i = 0; i < N; i++) {
cin >> A[i];
}
vector<int64_t> B(N);
int64_t sum = 0;
for (int i = 0; i < N; i++) {
sum = sum + A[i];
B[i] = sum;
}
vector<int64_t> C(N);
int64_t maxC = 0;
sum = 0;
for (int i = 0; i < N; i++) {
sum = sum + A[i];
if (sum > maxC) {
maxC = sum;
}
C[i] = maxC;
}
int64_t max = 0;
int64_t count = 0;
for (int i = 0; i < N; i++) {
if (count + C[i] > max) {
max = count + C[i];
}
count = count + B[i];
}
cout << max << endl;
}
|
/**
* author: tomo0608
* created: 27.02.2021 21:15:09
**/
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
template <class T> using V = vector<T>;
template <class T> using VV = V<V<T>>;
typedef pair<int,int> pii;
typedef pair<long long, long long> pll;
#define all(x) x.begin(),x.end()
#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define unique(a) a.erase(unique(a.begin(),a.end()),a.end())
template<class T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T> >;
template<class T, class U> inline bool chmax(T &a, const U &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T, class U> inline bool chmin(T &a, const U &b) { if (a>b) { a=b; return 1; } return 0; }
template<class T1, class T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; }
template<class T1, class T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << '(' << p.first << ", " << p.second << ')'; return os; }
template<class T> istream &operator>>(istream &is, vector<T> &v) { for (auto &e : v) is >> e; return is; }
template<class T> ostream &operator<<(ostream &os, const vector<T> &v) { for (auto &e : v) os << e << ' '; return os; }
template<typename T> ostream& operator << (ostream& os, set<T>& set_var) {os << "{"; for (auto itr = set_var.begin(); itr != set_var.end(); itr++) {os << *itr;++itr;if(itr != set_var.end()) os << ", ";itr--;}os << "}";return os;}
template <typename T, typename U> ostream &operator<<(ostream &os, map<T, U> &map_var) {os << "{";for(auto itr = map_var.begin(); itr != map_var.end(); itr++) {os << *itr;itr++;if (itr != map_var.end()) os << ", ";itr--;}os << "}";return os;}
template<class T> inline int count_between(vector<T> &a, T l, T r) { return lower_bound(all(a), r) - lower_bound(all(a), l); } // [l, r)
#define pb push_back
#define eb emplace_back
#define elif else if
#define mp make_pair
#define bit(n, k) ((n >> k) & 1) /*nのk bit目*/
template<typename T> T gcd(T x, T y){if(x%y == 0)return y;return gcd(y, x%y);}
template<typename T> T gcd(vector<T> a){T res = a[0];for(auto &x: a)res = gcd(res, x);return res;}
template <typename T>T mypow(T x, ll n){T ret = 1;while(n > 0){if(n & 1)(ret *= x);(x *= x);n >>= 1;}return ret;}
#define endl '\n'
int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1};
int dy[8] = {0, 1, 0, -1, 1, -1, -1, 1};
void solve(){
ll K;cin >> K;
string s,t;cin >> s >> t;
V<int> cards(10, 0), cardt(10, 0);
rep(i,4){
cards[s[i] - '0']++;
cardt[t[i] - '0']++;
}
ld ans = 0;
int sum = 0;
rep2(i, 1, 10)rep2(j, 1, 10){
cards[i]++;
cardt[j]++;
ll now_s = 0, now_t = 0;
bool check = true;
rep(k,10){
now_s += k * mypow(10, cards[k]);
now_t += k * mypow(10, cardt[k]);
if(K - cards[k] - cardt[k] < 0)check = false;
}
if(check)sum++;
cards[i]--;
cardt[j]--;
if(check && now_s > now_t){
//cout << i << ' ' << j << endl;
ans += ((ld)(K - cards[i] - cardt[i]) * (K - cards[j] - cardt[j] - (i == j)))/ ((9*K - 8) * (9*K - 9));
}
}
cout << ans << endl;
}
int main() {
cin.tie(0);
ios_base::sync_with_stdio(false);
cout << setprecision(20);
int codeforces = 1;
//cin >> codeforces;
while(codeforces--){
solve();
}
return 0;
} | #include <bits/stdc++.h>
using ll = long long;
#define rep(i,n) for(int i = 0;i < (int)(n); i++)
using namespace std;
int main() {
int A, B, C, D;
cin >> A >> B >> C >> D;
if (C * D - B == 0)cout << -1;
if (C * D - B < 0)cout << -1;
if (C * D - B > 0){
int N = A / (C * D - B);
if (A % (C * D - B) != 0)cout << N + 1;
if (A % (C * D - B) == 0)cout << N;
}
}
|
#include <cstdio>
#include <cstdlib>
#include <cmath>
#include <climits>
#include <cfloat>
#include <map>
#include <utility>
#include <set>
#include <iostream>
#include <memory>
#include <string>
#include <vector>
#include <algorithm>
#include <functional>
#include <sstream>
#include <complex>
#include <stack>
#include <queue>
#include <cstring>
#include <assert.h>
#include <sys/time.h>
#include <fstream>
#include <iomanip>
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n) FOR(i,0,n)
#define each(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define exist(s,e) ((s).find(e)!=(s).end())
#define all(vec) (vec).begin(),(vec).end()
#define dump(x) cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;
#define deb(x) cerr << #x << " = " << (x) << " , ";
#define debl cerr << " (L" << __LINE__ << ")"<< endl;
#define clr(a) memset((a),0,sizeof(a))
#define nclr(a) memset((a),-1,sizeof(a))
#define pb push_back
#define INRANGE(x,s,e) ((s)<=(x) && (x)<(e))
#define MP(x,y) make_pair((x),(y))
#define sz(v) ((ll)(v).size())
#define bit(n) (1LL<<n)
double pi=3.14159265358979323846;
using namespace std;
static const double EPS = 1e-5;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ll,double> pld;
typedef pair<double,ll> pdl;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<string> vs;
template<typename T,typename U> std::ostream& operator<<(std::ostream& os, const pair<T,U>& z){
return ( os << "(" << z.first << ", " << z.second << ",)" );
}
template<typename T> std::ostream& operator<<(std::ostream& os, const vector<T>& z){
os << "[ ";
rep(i,z.size())os << z[i] << ", " ;
return ( os << "]" << endl);
}
template<typename T> std::ostream& operator<<(std::ostream& os, const set<T>& z){
os << "set( ";
for(T p:z)os << p << ", " ;
//each(p,z)os << (*p) << ", " ;
return ( os << ")" << endl);
}
template<typename T,typename U> std::ostream& operator<<(std::ostream& os, const map<T,U>& z){
os << "{ ";
//each(p,z)os << (p->first) << ": " << (p->second) << ", " ;
for(auto p:z)os << (p.first) << ": " << (p.second) << ", " ;
return ( os << "}" << endl);
}
double get_time(){
struct timeval tv;
gettimeofday(&tv, NULL);
return tv.tv_sec + tv.tv_usec*1e-6;
}
ll mod = 1000000007;
vector<string> S;
vector<vi> reach;
void rec(int oldv, int v){
if(reach[oldv][v])return;
reach[oldv][v] = 1;
rep(v2,S.size()){
if(S[v][v2]=='1'){
rec(oldv,v2);
}
}
}
void _main(istream &inp){
ll N;
inp >> N;
rep(i,N){
string s;
inp >> s;
S.push_back(s);
}
reach = vector<vi>(N, vi(N));
rep(v,N) rec(v,v);
double ret = 0;
rep(i,N){
ll u = 0;
rep(j,N) if(i!=j && reach[j][i])u++;
ret += 1.0/(1.0+u);
}
cout << fixed << setprecision(15);
cout << ret << endl;
}
int main(){
if(0){
ifstream ifs("test.txt");
_main(ifs);
}
else{
_main(cin);
}
return 0;
}
| #include <algorithm>
#include <array>
#include <assert.h>
#include <bitset>
#include <chrono>
#include <cmath>
#include <complex>
#include <cstring>
#include <functional>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <istream>
#include <map>
#include <math.h>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <unordered_map>
#include <unordered_set>
#include <vector>
#include <stdint.h>
namespace asl
{
template <typename T>
using vec = std::vector<T>;
template <typename T>
std::istream &operator>>(std::istream &is, std::vector<T> &vec)
{
for (auto &value : vec)
is >> value;
return is;
}
}
#include <experimental/optional>
namespace asl
{
template <typename T>
std::vector<std::vector<T>> board(int n = 0, int m = 0)
{
return std::vector<std::vector<T>>(n, std::vector<T>(m));
}
}
#include <utility>
#include <tuple>
#include <random>
#define endl '\n'
using namespace std;
using namespace asl;
void solve()
{
int n;
cin >> n;
vec<string> b(n);
cin >> b;
auto a = board<int>(n, n);
for (int i = 0; i < n; ++i)
for (int j = 0; j < n; ++j)
a[i][j] = b[i][j] == '1' | (i == j);
for (int k = 0; k < n; ++k)
for (int i = 0; i < n; ++i)
for (int j = 0; j < n; ++j)
a[i][j] |= a[i][k] & a[k][j];
long double res = 0;
for (int i = 0; i < n; ++i)
{
int t = 0;
for (int j = 0; j < n; ++j)
t += a[j][i];
res += 1. / t;
}
cout << res << endl;
}
int main()
{
cout.precision(20);
cout << fixed;
ios_base::sync_with_stdio(0);
cin.tie(0);
int t = 1;
for (int i = 1; i <= t; ++i)
{
solve();
}
return 0;
}
|
#include <iostream>
using namespace std;
int main() {
int A, B;
cin >> A >> B;
if (A+B >= 15 && B >= 8) {
cout << 1 << endl;
} else if (A+B >= 10 && B >= 3) {
cout << 2 << endl;
}else if (A+B >= 3) {
cout << 3 << endl;
}else {
cout << 4 << endl;
}
}
| #include<bits/stdc++.h>
using namespace std;
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
int a, b, sum = 0;
while(cin >> a >> b){
sum += a + b;
if(sum >= 15 and b >= 8)
cout << "1\n";
else if(sum >= 10 and b >= 3)
cout << "2\n";
else if(sum >= 3)
cout << "3\n";
else
cout << "4\n";
}
} |
#include<bits/stdc++.h>
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<queue>
#include<vector>
#include<cstring>
#include<map>
#include<set>
#include<cstdlib>
#include<bitset>
using namespace std;
#define FAST ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
typedef long long ll;
ll a[66];
ll n;
int main(void)
{
scanf("%lld",&n);
for(int i=1;i<=n;i++)
{
string s;
cin>>s;
if(s=="OR") a[i]=1;
else a[i]=0;
}
ll ans=0;
a[0]=1;
for(ll i=n;i>=0;i--)
{
if(a[i]==1) ans+=(1ll<<i);
}
printf("%lld\n",ans);
} | #include<iostream>
#include<vector>
#include<string>
#include<cstdio>
#include<algorithm>
#include<iomanip>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const ll LLMAX = (1llu<<(sizeof(ll)*8-1)) - 1;
const int IMAX = (1llu<<(sizeof(int)*8-1)) - 1;
int N;
string s[100];
ull dp[100][2];
int main(){
cin >> N;
for(int i = 0; i < N; i++){
cin >> s[i];
}
// 0 = false, 1 = true;
dp[0][0] = 1;
dp[0][1] = 1;
for(int i = 1; i <= N; i++){
if(s[i-1][0] == 'A'){
dp[i][0] = dp[i-1][0] * 2 + dp[i-1][1];
dp[i][1] = dp[i-1][0] * 0 + dp[i-1][1];
} else{
dp[i][0] = dp[i-1][0];
dp[i][1] = dp[i-1][0] + dp[i-1][1] * 2;
}
// for(int r = 0; r <= i; r++){
// for(int c = 0; c <= 1; c++){
// cerr << dp[r][c] << "\t";
// }
// cerr << endl;
// }
}
cout << dp[N][1] << endl;
return 0;
}
|
//Time to take charge!
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define MAX 200110LL
#define MOD 1000000007LL
#define INF 1000000000000000000LL
ll modularExp(ll x, ll n) {
x %= MOD;
if (n == 0) {
return 1;
}else if (n & 1) {
return (x * (modularExp((x * x) % MOD, n / 2)) % MOD) % MOD;
}else{
return modularExp((x * x) % MOD, n / 2) % MOD;
}
}
ll modularInverse(ll x) {
return modularExp(x, MOD - 2) % MOD;
}
ll ftA[MAX], ftB[MAX];
ll ftASum[MAX], ftBSum[MAX];
void update(ll i, ll val, ll ft[]){
while(i < MAX){
ft[i] += val;
i += (i & (-i));
}
}
ll query(ll i, ll ft[]){
ll ret = 0;
while(i > 0){
ret += ft[i];
i -= (i & (-i));
}
return ret;
}
int main() {
ios::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
#endif
ll t = 1;
//cin>>t;
while (t--) {
ll n, m, q;
cin>>n>>m>>q;
ll t[q], x[q], y[q];
set <ll> cc;
cc.insert(0);
for (ll i = 0; i < q; i++) {
cin>>t[i]>>x[i]>>y[i];
cc.insert(y[i]);
}
map <ll, ll> ind;
ll index = 1;
for (ll it: cc) {
ind[it] = (index++);
}
memset(ftA, 0, sizeof(ftA));
memset(ftB, 0, sizeof(ftB));
memset(ftASum, 0, sizeof(ftASum));
memset(ftBSum, 0, sizeof(ftBSum));
ll a[n + 10] = {}, b[m + 10] = {};
for (ll i = 1; i <= n; i++) {
update(ind[0], 1, ftA);
}
for (ll i = 1; i <= m; i++) {
update(ind[0], 1, ftB);
}
ll ans = 0;
ll prev;
for (ll i = 0; i < q; i++) {
if (t[i] == 1) {
prev = a[x[i]];
ans -= (prev * query(ind[prev] - 1, ftB));
ans -= (query(MAX - 1, ftBSum) - query(ind[prev] - 1, ftBSum));
update(ind[prev], -1, ftA);
update(ind[prev], (-1 * prev), ftASum);
a[x[i]] = y[i];
ans += (y[i] * query(ind[y[i]] - 1, ftB));
ans += (query(MAX - 1, ftBSum) - query(ind[y[i]] - 1, ftBSum));
update(ind[y[i]], 1, ftA);
update(ind[y[i]], y[i], ftASum);
} else {
prev = b[x[i]];
ans -= (prev * query(ind[prev], ftA));
ans -= (query(MAX - 1, ftASum) - query(ind[prev], ftASum));
update(ind[prev], -1, ftB);
update(ind[prev], (-1 * prev), ftBSum);
b[x[i]] = y[i];
ans += (y[i] * query(ind[y[i]], ftA));
ans += (query(MAX - 1, ftASum) - query(ind[y[i]], ftASum));
update(ind[y[i]], 1, ftB);
update(ind[y[i]], y[i], ftBSum);
}
cout<<ans<<"\n";
}
}
} | #include<bits/stdc++.h>
#define int long long
using namespace std;
const int maxn = 200010, mod = 1000000007;
int read()
{
int s=0,w=1;
char ch=getchar();
while(ch<'0'||ch>'9') {if(ch=='-') w=-1;ch=getchar();}
while(ch>='0'&&ch<='9') s=(s<<3)+(s<<1)+(ch^48),ch=getchar();
return s*w;
}
struct Seg{
int tot,s[maxn*100],v[maxn*100],rt,ls[maxn*100],rs[maxn*100];
void psp(int k) {s[k]=s[ls[k]]+s[rs[k]],v[k]=v[ls[k]]+v[rs[k]];}
void ins(int&k,int l,int r,int p,int VL,int VL2)
{
if(!k) k=++tot;
if(l==r) return s[k]+=VL,v[k]+=VL2,void();int mid=l+r>>1;
p>mid?ins(rs[k],mid+1,r,p,VL,VL2):ins(ls[k],l,mid,p,VL,VL2),psp(k);
}
int asks(int k,int l,int r,int L,int R)
{
if(l>R||L>r||!k) return 0;
if(L<=l&&r<=R) return s[k];int mid=l+r>>1;
return asks(ls[k],l,mid,L,R)+asks(rs[k],mid+1,r,L,R);
}
int askv(int k,int l,int r,int L,int R)
{
if(l>R||L>r||!k) return 0;
if(L<=l&&r<=R) return v[k];int mid=l+r>>1;
return askv(ls[k],l,mid,L,R)+askv(rs[k],mid+1,r,L,R);
}
}s1,s2;
int ans,n,m,Q,a[maxn],b[maxn];
signed main()
{
n=read(),m=read(),Q=read();
s1.ins(s1.rt,0,1e8,0,0,n);
s2.ins(s2.rt,0,1e8,0,0,m);
for(int i=1,x,y;i<=Q;cout<<ans<<'\n',i++)
if(read()==1)
{
x=read();
ans-=s2.asks(s2.rt,0,1e8,a[x]+1,1e8)+a[x]*s2.askv(s2.rt,0,1e8,0,a[x]);
s1.ins(s1.rt,0,1e8,a[x],-a[x],-1);
a[x]=read();
s1.ins(s1.rt,0,1e8,a[x],a[x],1);
ans+=s2.asks(s2.rt,0,1e8,a[x]+1,1e8)+a[x]*s2.askv(s2.rt,0,1e8,0,a[x]);
}
else
{
x=read();
ans-=s1.asks(s1.rt,0,1e8,b[x]+1,1e8)+b[x]*s1.askv(s1.rt,0,1e8,0,b[x]);
s2.ins(s2.rt,0,1e8,b[x],-b[x],-1);
b[x]=read();
s2.ins(s2.rt,0,1e8,b[x],b[x],1);
ans+=s1.asks(s1.rt,0,1e8,b[x]+1,1e8)+b[x]*s1.askv(s1.rt,0,1e8,0,b[x]);
}
return 0;
} |
#include<bits/stdc++.h>
#define LL long long
using namespace std;
LL a[9];
template<typename T>
inline void read(T &x)
{
x=0;T w=1;char c=getchar();
while(!isdigit(c)){if(c=='-')w=-1; c=getchar();}
while(isdigit(c)){x=(x<<3)+(x<<1)+c-'0'; c=getchar();}
x*=w;
}
int main()
{
for(LL i=1;i<=4;++i)
read(a[i]);
sort(a+1,a+5);
printf(a[1]+a[4]==a[2]+a[3]||a[1]+a[2]+a[3]==a[4]?"Yes":"No");
return 0;
} | #include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <cmath>
#include <cstring>
#include <utility>
#include <numeric>
using namespace std;
int main(){
int N;
cin >> N;
vector<int> A(2 * N);
for(int i = 0; i < 2 * N; i++){
cin >> A[i];
}
vector<pair<int, int>> aIndex(2 * N);
for(int i = 0; i < 2 * N; i++){
aIndex[i] = make_pair(A[i], i);
}
sort(aIndex.begin(), aIndex.end());
vector<bool> isLower(2 * N, false);
for(int i = 0; i < N; i++){
isLower[aIndex[i].second] = true;
}
string ans = "";
int cnt = 0;
bool lowerOpen = false;
for(int i = 0; i < 2 * N; i++){
if(cnt == 0){
ans += "(";
cnt++;
if(isLower[i]){
lowerOpen = true;
}
else{
lowerOpen = false;
}
}
else{
if(isLower[i]){
if(lowerOpen){
ans += "(";
cnt++;
}
else{
ans += ")";
cnt--;
}
}
else{
if(lowerOpen){
ans += ")";
cnt--;
}
else{
ans += "(";
cnt++;
}
}
}
}
cout << ans << endl;
return 0;
} |
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<iomanip>
#include<math.h>
#include<complex>
#include<queue>
#include<deque>
#include<stack>
#include<map>
#include<set>
#include<bitset>
#include<functional>
#include<assert.h>
#include<numeric>
using namespace std;
#define REP(i,m,n) for(int i=(int)(m) ; i < (int) (n) ; ++i )
#define rep(i,n) REP(i,0,n)
using ll = long long;
constexpr int inf=1e9+7;
constexpr ll longinf=1LL<<60 ;
constexpr ll mod=998244353 ;
ll calc(int s, int n){
if(2* n < s || s<= 1) return 0;
if(s <= n + 1) return s-1;
else return 2*n-s+1;
}
int main(){
cin.tie(nullptr);
ios::sync_with_stdio(false);
int n,k;
cin>>n>>k;
ll ans = 0;
rep(i,1000000)ans += calc(i, n)*calc(i+k, n);
cout<<ans<<endl;
return 0;
} | /**
* CODE
* BY
* VIKAS VERMA
*
* $$Always Check for Constraints
*/
#include <bits/stdc++.h>
using namespace std;
#define fo(i, n) for (int i = 0; i < n; i++)
#define Fo(i, n) for (int i = 1; i <= n; i++)
#define fr(i, n) for (ll i = n - 1; i >= 0; i--)
#define REP(l, r) for (int i = l; i < r; i++)
#define printclock cerr << "Time : " << 1000 * (ld)clock() / (ld)CLOCKS_PER_SEC << "ms\n"
#define jaldi ios_base::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL);
#define all(x) x.begin(), x.end()
#define clr(x) memset(x, 0, sizeof(x))
#define sortall(x) sort(all(x))
#define PI 3.1415926535897932384626
#define endl "\n"
#define F first
#define S second
#define PB push_back
#define MP make_pair
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef vector<vi> vvi;
typedef long long ll;
//=======================
const int MOD = 1'000'000'007;
const int N = 2e6 + 13;
//=======================
vi g[N];
int a[N];
//=======================
void solve()
{
int x, y;
cin >> x >> y;
cout << (abs(x - y) < 3 ? "Yes" : "No") << endl;
}
int main()
{
jaldi
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
int t = 1;
// cin >> t;
while (t--)
{
solve();
}
return 0;
} |
#include <bits/stdc++.h>
#define REP(i, n) for (int i = 0; (i) < (int)(n); ++ (i))
#define REP3(i, m, n) for (int i = (m); (i) < (int)(n); ++ (i))
#define REP_R(i, n) for (int i = (int)(n) - 1; (i) >= 0; -- (i))
#define REP3R(i, m, n) for (int i = (int)(n) - 1; (i) >= (int)(m); -- (i))
#define ALL(x) std::begin(x), std::end(x)
using namespace std;
class xor_shift_128 {
public:
typedef uint32_t result_type;
xor_shift_128(uint32_t seed = 42) {
set_seed(seed);
}
void set_seed(uint32_t seed) {
a = seed = 1812433253u * (seed ^ (seed >> 30));
b = seed = 1812433253u * (seed ^ (seed >> 30)) + 1;
c = seed = 1812433253u * (seed ^ (seed >> 30)) + 2;
d = seed = 1812433253u * (seed ^ (seed >> 30)) + 3;
}
uint32_t operator() () {
uint32_t t = (a ^ (a << 11));
a = b; b = c; c = d;
return d = (d ^ (d >> 19)) ^ (t ^ (t >> 8));
}
static constexpr uint32_t max() { return numeric_limits<result_type>::max(); }
static constexpr uint32_t min() { return numeric_limits<result_type>::min(); }
private:
uint32_t a, b, c, d;
};
constexpr int H = 30;
constexpr int W = 30;
string get_command_from_path(const vector<pair<int, int>>& path) {
string command;
assert (not path.empty());
REP (i, path.size() - 1) {
auto [ay, ax] = path[i];
auto [by, bx] = path[i + 1];
if (by == ay - 1 and bx == ax) {
command.push_back('U');
} else if (by == ay + 1 and bx == ax) {
command.push_back('D');
} else if (by == ay and bx == ax + 1) {
command.push_back('R');
} else if (by == ay and bx == ax - 1) {
command.push_back('L');
} else {
assert (false);
}
}
return command;
}
template <class RandomEngine>
void solve(function<tuple<int, int, int, int> ()> read, function<int64_t (const string&)> write, int K, RandomEngine& gen, chrono::high_resolution_clock::time_point clock_end) {
chrono::high_resolution_clock::time_point clock_begin = chrono::high_resolution_clock::now();
REP (query, K) {
auto [sy, sx, ty, tx] = read();
#ifdef VERBOSE
cerr << "(" << sy << ", " << sx << ") -> (" << ty << ", " << tx << ")" << endl;
#endif // VERBOSE
vector<pair<int, int>> path;
int y = sy;
int x = sx;
path.emplace_back(y, x);
while (y < ty) {
y += 1;
path.emplace_back(y, x);
}
while (y > ty) {
y -= 1;
path.emplace_back(y, x);
}
while (x < tx) {
x += 1;
path.emplace_back(y, x);
}
while (x > tx) {
x -= 1;
path.emplace_back(y, x);
}
int64_t score = write(get_command_from_path(path));
}
}
int main() {
constexpr auto TIME_LIMIT = chrono::milliseconds(2000);
chrono::high_resolution_clock::time_point clock_begin = chrono::high_resolution_clock::now();
xor_shift_128 gen(20210425);
auto read = [&]() {
int sy, sx, ty, tx;
cin >> sy >> sx >> ty >> tx;
return make_tuple(sy, sx, ty, tx);
};
auto write = [&](const string& command) {
cout << command << '\n';
cout.flush();
int64_t dist;
cin >> dist;
return dist;
};
constexpr int K = 1000;
solve(read, write, K, gen, clock_begin + chrono::duration_cast<chrono::milliseconds>(TIME_LIMIT * 0.95));
return 0;
}
| #include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
using namespace std;
using LL = long long;
using P = pair<int,int>;
using vv = vector<vector<int>>;
const int INF = (int)1e9;
const LL LINF = (LL)1e18;
string path(int si, int sj, int ti, int tj){
int di = ti - si, dj = tj - sj;
string s;
if(di >= 0) rep(k,di) s.push_back('D');
else rep(k,-di) s.push_back('U');
if(dj >= 0) rep(k,dj) s.push_back('R');
else rep(k,-dj) s.push_back('L');
return s;
}
int main(){
//FILE *outputfile;
//outputfile = freopen("test.txt", "w", stdout);
rep(i,1000){
int si, sj, ti, tj;
cin >> si >> sj >> ti >> tj;
string ans = path(si, sj, ti, tj);
cout << ans << endl;
LL dist;
cin >> dist;
}
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
//#define int long long
typedef long long ll;
typedef pair<int,int> P;
typedef pair<int,P> P1;
typedef pair<P,P> P2;
#define pu push
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define eps 1e-7
#define INF 1000000000
#define a first
#define b second
#define fi first
#define sc second
#define rng(i,a,b) for(int i=int(a);i<int(b);i++)
#define rep(i,x) for(int i=0;i<x;i++)
#define repn(i,x) for(int i=1;i<=x;i++)
#define SORT(x) sort(x.begin(),x.end())
#define ERASE(x) x.erase(unique(x.begin(),x.end()),x.end())
#define POSL(x,v) (lower_bound(x.begin(),x.end(),v)-x.begin())
#define POSU(x,v) (upper_bound(x.begin(),x.end(),v)-x.begin())
#define all(x) x.begin(),x.end()
#define si(x) int(x.size())
#ifdef LOCAL
#define dmp(x) cerr<<__LINE__<<" "<<#x<<" "<<x<<endl
#else
#define dmp(x) void(0)
#endif
template<class t,class u> bool chmax(t&a,u b){if(a<b){a=b;return true;}else return false;}
template<class t,class u> bool chmin(t&a,u b){if(b<a){a=b;return true;}else return false;}
template<class t> using vc=vector<t>;
template<class t,class u>
ostream& operator<<(ostream& os,const pair<t,u>& p){
return os<<"{"<<p.fi<<","<<p.sc<<"}";
}
template<class t> ostream& operator<<(ostream& os,const vc<t>& v){
os<<"{";
for(auto e:v)os<<e<<",";
return os<<"}";
}
template<class T>
void g(T &a){
cin >> a;
}
template<class T>
void o(const T &a,bool space=false){
cout << a << (space?' ':'\n');
}
//ios::sync_with_stdio(false);
const ll mod = 1000000007;//998244353
mt19937_64 mt(chrono::steady_clock::now().time_since_epoch().count());
template<class T>
void add(T&a,T b){
a+=b;
}
ll modpow(ll x,ll n){
ll res=1;
while(n>0){
if(n&1) res=res*x%mod;
x=x*x%mod;
n>>=1;
}
return res;
}
ll F[2000005],R[2000005];
void make(){
F[0] = 1;
for(int i=1;i<2000005;i++) F[i] = F[i-1]*i%mod;
for(int i=0;i<2000005;i++) R[i] = modpow(F[i],mod-2);
}
ll C(int a,int b){
return F[a]*R[b]%mod*R[a-b]%mod;
}
ll a, b;
int pr[20]={2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71};
ll dp[2][(1<<20)];
void solve(){
cin >> a >> b;
int cur = 0, nxt = 1;
dp[cur][0] = 1;
for(ll i=a;i<=b;i++){
memset(dp[nxt], 0, sizeof(dp[nxt]));
int cur_m = 0;
rep(x, 20){
if(i % pr[x] == 0) cur_m |= (1<<x);
}
rep(j, (1<<20)){
if(dp[cur][j] == 0) continue;
add(dp[nxt][j], dp[cur][j]);
if( (j & cur_m) == 0) add(dp[nxt][j+cur_m], dp[cur][j]);
}
swap(cur,nxt);
}
ll ans = 0;
rep(i,(1<<20)) ans += dp[cur][i];o(ans);
}
signed main(){
cin.tie(0);
ios::sync_with_stdio(0);
cout<<fixed<<setprecision(20);
int t; t = 1; //cin >> t;
while(t--) solve();
}
| #include <iostream>
#include <vector>
using namespace std;
#define ll long long
vector<int> primes = { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71};
int main() {
std::ios::sync_with_stdio(false);
ll a, b, sol = 0;
cin >> a >> b;
vector<ll> dp(1 << 20);
dp[0] = 1;//the empty set
int act;
for (ll x = a; x <= b; ++x) {
act = 0;
//activate divisor bits
for (int i = 0; i < 20; ++i) {
if (x % primes[i] == 0) act |= (1 << i);
}
//if no conflict, count resulting sets
for (int y = (1 << 20) - 1; y >= 0; --y) {
if ((act & y) == 0) dp[act | y] += dp[y];
}
}
for (int i = 0; i < (1 << 20); ++i) sol += dp[i];
cout << sol << '\n';
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
typedef unsigned long long ull;
const ull maxn=800005;
ull w[maxn];
const ull mod=1e9+7;
ull head[maxn], to[maxn], nex[maxn], val[maxn], cnt, dep[maxn];
void add(ull i, ull j, ull w){
cnt++;
to[cnt]=j; val[cnt]=w;
nex[cnt]=head[i]; head[i]=cnt;
}
void dfs(ull x){
for(ull i=head[x]; i; i=nex[i]){
ull y=to[i];
if(dep[y])
continue;
dep[y]=dep[x]+1;
w[y]=w[x]^val[i];
dfs(y);
}
}
signed main(){
ull n;
scanf("%llu", &n);
for(ull i=2; i<=n; i++){
ull u, v, w;
scanf("%llu%llu%llu", &u, &v, &w);
add(v, u, w); add(u, v, w);
}
dfs(dep[1]=1);
ull ans=0;
for(ull i=0; i<=60; i++){
ull cnt=0;
for(ull j=1; j<=n; j++)
if(w[j]>>i&1) cnt++;
ans=(ans+(1LL<<i)%mod*cnt%mod*(n-cnt)%mod)%mod;
}
ans=(ans%mod+mod)%mod;
printf("%llu", ans);
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define ll long long
#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define Pr pair<ll,ll>
#define Tp tuple<ll,ll,ll>
using Graph = vector<vector<Pr>>;
ll mod = 1000000007;
int main() {
//GraphInput
ll N; cin >> N;
Graph G(N+1);
rep(i,N-1){
ll a,b,c; cin >> a >> b >> c;
G[a].push_back(make_pair(b,c));
G[b].push_back(make_pair(a,c));
}
ll ans = 0;
rep(i,60){
//Graph G(N+1);
ll base = (1LL<<i);
/*for(auto p:path){
ll a = get<0>(p), b = get<1>(p), c = get<2>(p);
if(c&base){
G[a].push_back(make_pair(b,1));
G[b].push_back(make_pair(a,1));
}
else{
G[a].push_back(make_pair(b,0));
G[b].push_back(make_pair(a,0));
}
}*/
ll odd = 0,ev = 1;
//BFS (普通の幅優先探索)
queue<int> go; ll dist[N+1]; // ll par[N+1];
rep(i,N+1){
dist[i] = 2000000000;
}
dist[1] = 0; go.push(1);
while(!go.empty()){
int s = go.front(); go.pop();
for(auto q:G[s]){
ll x = q.first; ll b = q.second;
ll a = 0;
if(b&base) a = 1;
if(dist[x]<=dist[s]+a) continue;
dist[x] = dist[s] + a;
if(dist[x]%2==0) ev++;
else odd++;
//par[x] = s;
go.push(x);
}
}
ans += base%mod*(odd*ev%mod)%mod;
ans %= mod;
}
cout << ans << endl;
} |
#include <bits/stdc++.h>
using namespace std;
// template {{{
#define range(i, l, r) for (int i = (int)(l); i < (int)(r); (i) += 1)
#define rrange(i, l, r) for (int i = (int)(r) - 1; i >= (int)(l); (i) -= 1)
#define whole(f, x, ...) ([&](decltype((x)) container) { return (f)( begin(container), end(container), ## __VA_ARGS__); })(x)
#define rwhole(f, x, ...) ([&](decltype((x)) container) { return (f)( rbegin(container), rend(container), ## __VA_ARGS__); })(x)
#define debug(x) cerr << "(" << __LINE__ << ")" << #x << ": " << (x) << endl
using i32 = int;
using u32 = unsigned int;
using i64 = long long;
using u64 = unsigned long long;
// constexpr i32 mod = 998244353;
constexpr i32 mod = 1e9 + 7;
constexpr i32 inf = 1001001001;
constexpr i64 infll = 1001001001001001001ll;
constexpr int dx[] = {0, -1, 1, 0, -1, 1, -1, 1};
constexpr int dy[] = {-1, 0, 0, 1, -1, -1, 1, 1};
struct IoSetup { IoSetup(int x = 15){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(x); cerr << fixed << setprecision(x); } } iosetup;
template <typename T = i64> T input() { T x; cin >> x; return x; }
template <typename T> ostream &operator<<(ostream &os, vector<T> &v) { range(i, 0, v.size()) { os << v[i] << (i + 1 != v.size() ? " " : ""); } return os; }
template <typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; }
template <typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p) { os << "(" << p.first << ", " << p.second << ")"; return os; }
template <typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; }
template <typename T> vector<T> make_vector(size_t a, T b) { return vector<T>(a, b); }
template <typename... Ts> auto make_vector(size_t a, Ts... ts) { return vector<decltype(make_vector(ts...))>(a, make_vector(ts...)); }
template <typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template <typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }
// }}}
// union find {{{
class union_find {
using data_type = int_fast32_t;
std::vector< data_type > data_;
public:
union_find(std::size_t size) : data_(size, -1) {}
std::size_t size() const {
return data_.size();
}
data_type get_root(data_type x) {
return (data_[x] < 0 ? x : data_[x] = get_root(data_[x]));
}
bool is_root(data_type x) {
return x == get_root(x);
}
bool is_same(data_type x, data_type y) {
return get_root(x) == get_root(y);
}
void unite(data_type x, data_type y) {
x = get_root(x); y = get_root(y);
if (x == y) return;
if (data_[x] > data_[y]) std::swap(x, y);
data_[x] += data_[y];
data_[y] = x;
}
data_type element_count(data_type x) {
return -data_[get_root(x)];
}
};
// }}}
void solver() {
int n, q;
cin >> n >> q;
union_find uf(n);
vector< map<int, int> > cnt(n);
range(i, 0, n) {
int c;
cin >> c;
cnt[i][c]++;
}
range(query, 0, q) {
int type;
cin >> type;
switch (type) {
case 1: {
int a, b;
cin >> a >> b;
a = uf.get_root(a - 1);
b = uf.get_root(b - 1);
if (uf.is_same(a, b)) continue;
if (uf.element_count(a) < uf.element_count(b)) {
swap(a, b);
}
uf.unite(a, b);
for (auto [c, val] : cnt[b]) {
cnt[a][c] += val;
}
} break;
case 2: {
int x, y;
cin >> x >> y;
x = uf.get_root(x - 1);
cout << cnt[x][y] << endl;
} break;
}
}
}
signed main(int argc, char *argv[]) {
solver();
}
| #include<iostream>
#include<algorithm>
#include<vector>
using namespace std;
int N_MAX = 501;
int M_MAX = 250000;
typedef long long ll;
typedef pair<ll,int> P;
template<class T> void chmin(T &a, T b){if(a>b){a=b;}}
int p[501],id[501],res[250000];
void sw(int m){
swap(p[res[m]],p[res[m]+1]);
id[p[res[m]]]=res[m];
id[p[res[m]+1]]=res[m]+1;
return;
}
int main()
{
int n,i,j,t,tt,m;
cin >> t;
for(tt=0;tt<t;tt++){
m=0;
cin >> n;
for(i=0;i<n;i++){
cin >> p[i];
id[p[i]]=i;
}
if(n==2){
if(p[0]==1){
cout << "0" << endl;
}else{
cout << "1" << endl;
cout << "1" << endl;
}
continue;
}
for(i=1;i<=n-4;i++){
if(p[i-1]==i)
continue;
if((id[i]+m)%2==0){
if(id[i]<=i)
res[m]=id[i]+2;
else
res[m]=id[i]-2;
sw(m);
m++;
}
while(p[i-1]!=i){
res[m]=id[i]-1;
sw(m);
m++;
}
}
if(i==n-3){
for(j=0;j<7;j++){
if(p[i-1]==i)
break;
if((m+n-4)%2==0){
if(p[n-1]==i)
res[m]=n-2;
else
res[m]=n-4;
}else{
res[m]=n-3;
}
sw(m);
m++;
}
}
for(j=0;j<5;j++){
if(p[n-3]==n-2 && p[n-2]==n-1 && p[n-1]==n)
break;
if((m+n-3)%2==0)
res[m]=n-3;
else
res[m]=n-2;
sw(m);
m++;
}
cout << m << endl;
for(i=0;i<m;i++)
cout << res[i]+1 << " ";
cout << endl;
}
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
using P = pair<int, int>;
using ll = long long;
template<class T> inline bool chmax(T &a, T b) {if(a < b){a = b; return true;} return false;}
template<class T> inline bool chmin(T &a, T b) {if(a > b){a = b; return true;} return false;}
#define rep(i,n) for(int i = 0; i < (n); i++)
int h, w, a, b;
ll hanjo(vector<vector<bool>>& heya, int i, int j, int a, int b){
if(a < 0 || b < 0) return 0;
if(j >= w){ j = 0; ++i; }
if(i >= h) return 1;
if(heya[i][j]) return hanjo(heya, i, j+1, a, b);
ll ans = 0;
heya[i][j] = true;
ans += hanjo(heya, i, j+1, a, b-1);
heya[i][j] = false;
if(j + 1 < w && !heya[i][j+1]){
heya[i][j] = true;
heya[i][j+1] = true;
ans += hanjo(heya, i, j+1, a-1, b);
heya[i][j] = false;
heya[i][j+1] = false;
}
if(i + 1 < h && !heya[i+1][j]){
heya[i][j] = true;
heya[i+1][j] = true;
ans += hanjo(heya, i, j+1, a-1, b);
heya[i][j] = false;
heya[i+1][j] = false;
}
return ans;
}
int main(){
cin >> h >> w >> a >> b;
vector<vector<bool>> heya(h, vector<bool>(w, false));
cout << hanjo(heya, 0, 0, a, b) << endl;
return 0;
} | #include <iostream>
#include <cmath>
#include <string>
#include <vector>
#include <queue>
#include <unordered_set>
#include <map>
#include <algorithm>
using namespace std;
using ll = long long;
#define rep(i, n) for(int i=0;i<(int)n;i++)
struct Edge {
int to; // 隣接頂点番号
long long w; // 重み
Edge(int to, long long w) : to(to), w(w) {}
};
// using Graph = vector<vector<Edge> >
// using Graph = vector<vector<int> >
struct UnionFind {
vector<int> par, siz;
UnionFind(int n) : par(n, -1), siz(n, 1) {}
int root(int x) {
if(par[x] == -1) return x;
else return par[x] = root(par[x]);
}
bool issame(int x, int y) {
return root(x) == root(y);
}
bool unite(int x, int y) {
x = root(x); y = root(y);
if(x == y) return false;
if(siz[x] < siz[y]) swap(x, y);
par[y] = x;
siz[x] += siz[y];
return true;
}
int size(int x) {
return siz[root(x)];
}
};
long long factorial(long long n) {
if(n <= 0) return 1;
long long fact = 0;
for(long long i=1;i<=n;i++) fact *= i;
return n;
}
long long aCb(long long a, long long b) {
if(a < b) return 0;
return factorial(a) / (factorial(a-b) * factorial(b));
}
int main() {
ll A, B, C;
cin >> A >> B >> C;
ll pA = abs(A), pB = abs(B);
if(C % 2 == 0) {
if(pA == pB) cout << "=";
if(pA > pB) cout << ">";
if(pA < pB) cout << "<";
} else {
if(A == B) cout << "=";
if(A > B) cout << ">";
if(A < B) cout << "<";
}
} |
#include <iostream>
#include <vector>
#include <map>
using namespace std;
const int maxn = 1e2 + 10;
const int maxm = 1e4 + 10;
int n, m;
int c[maxn];
bool visited[maxn];
string ans[maxm];
vector<int> G[maxn];
vector<pair<int, int>> edge;
map<pair<int, int>, int> edge_ind;
void dfs(int v){
visited[v] = true;
for(int u : G[v]){
if(c[u] == c[v]){
int ind = edge_ind[{u, v}];
if(ans[ind] == ""){
if(edge[ind].first == v){
ans[ind] = "->";
}
else{
ans[ind] = "<-";
}
}
if(!visited[u]){
dfs(u);
}
}
}
}
int main(){
cin >> n >> m;
for(int i = 0; i < m; i ++){
int u, v;
cin >> u >> v;
u --, v --;
G[u].push_back(v);
G[v].push_back(u);
edge.push_back({u, v});
edge_ind[{u, v}] = edge_ind[{v, u}] = i;
}
for(int i = 0; i < n; i ++){
cin >> c[i];
}
for(int i = 0; i < n; i ++){
if(!visited[i]){
dfs(i);
}
}
for(int i = 0; i < m; i ++){
if(c[edge[i].first] > c[edge[i].second]){
ans[i] = "->";
}
if(c[edge[i].second] > c[edge[i].first]){
ans[i] = "<-";
}
}
for(int i = 0; i < m; i ++){
cout << ans[i] << '\n';
}
} | #pragma GCC target ("avx2")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("O3")
#include "bits/stdc++.h"
#include <unordered_set>
#include <unordered_map>
#include <random>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
constexpr ll MOD = 1'000'000'007LL; /*998'244'353LL;*/
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define rep(i, n) for(int (i)=0; (i)<(n); (i)++)
template<class T> bool chmax(T &a, const T &b){ if(a<b){ a=b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b){ if(b<a){ a=b; return 1; } return 0; }
constexpr int dy[4]={-1,0,1,0};
constexpr int dx[4]={0,-1,0,1};
int N, M;
int A[100*100], B[100*100];
int C[100];
vector<pair<int,int>> e[101];
vector<int> v[101];
int ans[100*100];
bool vis[100];
queue<int> que;
bool fin[100];
bool dfs(int n, int p, int b){
if(vis[n]){
if(n == p) return true;
else return false;
}
vis[n] = true;
rep(i, e[n].size()){
if(C[n] != C[e[n][i].first]) continue;
if(e[n][i].first == b) continue;
bool ret = dfs(e[n][i].first, p, n);
if(ret){
fin[n] = true;
ans[e[n][i].second] = n;
que.push(n);
return true;
}
}
vis[n] = false;
return false;
}
bool dfs2(int n, int p, int b){
if(fin[n]) return true;
if(vis[n]) return false;
vis[n] = true;
rep(i, e[n].size()){
if(C[n] != C[e[n][i].first]) continue;
if(e[n][i].first == b) continue;
bool ret = dfs2(e[n][i].first, p, n);
if(ret){
fin[n] = true;
ans[e[n][i].second] = n;
que.push(n);
return true;
}
}
vis[n] = false;
return false;
}
signed main(){
cin >> N >> M;
rep(i, M){
cin >> A[i] >> B[i];
A[i]--; B[i]--;
e[A[i]].pb({B[i],i});
e[B[i]].pb({A[i],i});
}
rep(i, N){
cin >> C[i];
v[C[i]].pb(i);
}
rep(i, 101){
rep(j, v[i].size()){
if(!fin[v[i][j]]){
bool ret = dfs(v[i][j], v[i][j], -1);
}
while(que.size()){
rep(k, e[que.front()].size()){
if(C[que.front()] != C[e[que.front()][k].first]) continue;
if(fin[e[que.front()][k].first]) continue;
dfs2(e[que.front()][k].first, que.front(), que.front());
ans[e[que.front()][k].second] = que.front();
}
que.pop();
}
}
}
rep(i, M){
if(C[A[i]] > C[B[i]]) cout << "->" << endl;
else if(C[A[i]] < C[B[i]]) cout << "<-" << endl;
else{
if(ans[i] == A[i]) cout << "->" << endl;
else cout << "<-" << endl;
}
}
} |
#include <bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < (int)(n); i++)
#define REP(i,n) for (int i = 1; i < (int)(n); i++)
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define debug(var) do{cout << #var << " : "; view(var);}while(0)
template<class T> bool chmin(T &a, T b) {if(a>b) {a=b;return 1;}return 0;}
template<class T> bool chmax(T &a, T b) {if(a<b) {a=b;return 1;}return 0;}
using namespace std;
template<class T> void view(T e) {cout << e << endl;}
template<class T> void view(const vector<T> &v) {for(const auto &e : v){cout << e << " ";} cout << endl;}
template<class T> void view(const vector<vector<T>> &vv) {for(const auto &v : vv){view(v);}}
using vint = vector<int>;
using vvint = vector<vector<int>>;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vector<ll>>;
using P = pair<int,int>;
const int inf = 1<<30;
const ll inf_l = 1LL<<61;
const int MAX = 1e5;
// union-find
struct union_find {
vector<int> dat;
union_find(int size) {dat.resize(size,-1);}
int find(int x) {
if (dat[x] < 0) {return x;}
return dat[x] = find(dat[x]);
}
bool unite(int x, int y) {
x = find(x); y = find(y);
if (x == y) {return false;}
if (dat[x] > dat[y]) swap(x,y);
dat[x] += dat[y];
dat[y] = x;
return true;
}
int size(int x) {return -dat[find(x)];}
};
int main() {
int n, q; cin >> n >> q;
vector<map<int,int>> ct(n);
rep(i,n) {
int c; cin >> c;
ct[i][c]++;
}
union_find uf(n);
rep(i,q) {
int query, a, b; cin >> query >> a >> b;
if (query == 1) {
a--; b--;
a = uf.find(a);
b = uf.find(b);
if (uf.unite(a, b)) {
int r = uf.find(a);
for (P p : ct[a + b - r]) {
ct[r][p.first] += p.second;
}
}
} else {
a--;
cout << ct[uf.find(a)][b] << endl;
}
}
} | #include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define pb push_back
// g++ -std=c++17 -Wshadow -Wall -g -fsanitize=address -fsanitize=undefined -D_GLIBCXX_DEBUG -o
const int nax=2e5+5;
int par[nax],sz[nax];
map<int,int>adj[nax];
int get(int a){
return (par[a]==a)?a:get(par[a]);
}
void Union(int a,int b){
a=get(a);
b=get(b);
if(a==b)return;
if(sz[a]<sz[b])swap(a,b);
par[b]=a;
sz[a]+=sz[b];
for(auto x:adj[b]){
adj[a][x.first]+=x.second;
}
}
int n,q;
int c[nax];
int main(){
cin>>n>>q;
for(int i=1;i<=n;i++){
cin>>c[i];
sz[i]=1;
par[i]=i;
adj[i][c[i]]++;
}
for(int i=0;i<q;i++){
int ch,a,b;
cin>>ch>>a>>b;
if(ch==1)Union(a,b);
else{
a=get(a);
cout<<adj[a][b]<<"\n";
}
}
return 0;
}
|
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#define lb lower_bound
#define ub upper_bound
#define fe(x) (*(x.begin()))
#define le(x) (*(x.rbegin()))
#define pb push_back
#define load(node,n) bool operator < (const node &n) const
#define fbo(x,id) (*(x.find_by_order(id)))
#define ook(y) order_of_key(y)
#define all(x) (x).begin(),(x).end()
#define si(a) scanf("%d",&a)
#define sii(a,b) scanf("%d %d",&a,&b)
#define siii(a,b,c) scanf("%d %d %d",&a,&b,&c)
#define sl(a) scanf("%lld",&a)
#define sll(a,b) scanf("%lld %lld",&a,&b)
#define slll(a,b,c) scanf("%lld %lld %lld",&a,&b,&c)
#define rep(i,a,b) for(ll i = a; i<=b; i++)
#define un(x) x.erase(unique(all(x)), x.end())
#define TT long long TC; scanf("%lld",&TC); while(TC--)
#define read freopen("input.txt","r",stdin)
#define write freopen("output.txt","w",stdout)
#define set(x) tree<x,null_type,less<x>,rb_tree_tag,tree_order_statistics_node_update>
#define SZ(x) (int)x.size()
#define ff first
#define ss second
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;
#define mx 300005
set(pii)st;
bool fn(int x){
int id = st.ook(pii(x,0));
if(id==(int)st.size()) return 0;
pii w = fbo(st,id);
if(w.ff==x){
st.erase(w);
return 1;
}
return 0;
}
main(){
//read;
int n,k;
sii(n,k);
for(int i = 0; i<n; i++){
int a;
si(a);
st.insert(pii(a,i+1));
}
ll ans = 0;
for(ll i = 0; i<k; i++){
for(ll j = 0; ; j++){
if(fn(j)==false){
ans+=j;
break;
}
}
}
cout<<ans;
return 0;
}
| //@formatter:off
#include<bits/stdc++.h>
#define rep(i,n) for (int i = 0; i < int(n); ++i)
#define rrep(i,n) for (int i = int(n)-1; i >= 0; i--)
#define rep2(i,s,n) for (int i = int(s); i < int(n); ++i)
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()
#define pb push_back
#define eb emplace_back
#define vi vector<int>
#define vvi vector<vector<int>>
#define vl vector<ll>
#define vvl vector<vector<ll>>
#define vd vector<double>
#define vvd vector<vector<double>>
#define vs vector<string>
#define vc vector<char>
#define vvc vector<vector<char>>
#define vb vector<bool>
#define vvb vector<vector<bool>>
#define vp vector<P>
#define vvp vector<vector<P>>
using namespace std;
using ll = long long;
using P = pair<int,int>;
using LP = pair<ll,ll>;
template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; }
template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; }
template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; }
template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; }
void Yes(bool b) { cout << (b ? "Yes" : "No") << '\n'; }
void YES(bool b) { cout << (b ? "YES" : "NO") << '\n'; }
template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;}
template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;}
const int inf = 1001001001;
const ll linf = 1001001001001001001;
//@formatter:on
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
cout.tie(nullptr);
int n;
cin >> n;
vi a(n), b(n);
cin >> a >> b;
vi o, e;
ll tmp = 0;
rep(i, n) {
int now = a[i] - b[i];
tmp += b[i];
if (i & 1) o.pb(now);
else e.pb(now);
}
sort(rall(o));
sort(rall(e));
ll ans = tmp;
rep(i, n / 2) {
tmp += o[i] + e[i];
chmax(ans, tmp);
}
cout << ans << endl;
} |
#include<bits/stdc++.h>
using namespace std;
int main()
{int a,b,c,d; cin>>a>>b>>c>>d;
int ans=-1000000;
for(int i=a;i<=b;i++){
for(int j=c;j<=d;j++){
ans=max(ans,i-j);
}}
cout<<ans;
} | #include<iostream>
#include<iomanip>
#include<limits>
#include<vector>
#include<algorithm>
#include<bitset>
#include<string>
#include<queue>
#include<tuple>
#include<cmath>
#include<unordered_set>
#include<iterator>
#include<sstream>
#include<set>
using namespace std;
#define endl "\n"
typedef long long ll;
typedef string str;
const double pi=3.14159265358979323846;
const long long inf = 1LL << 60;
typedef pair<int, int> P;
const int dx[8] = { 1, 0, -1, 0, 1, -1, -1, 1 };
const int dy[8] = { 0, 1, 0, -1, 1, 1, -1, -1 };
template<class T> inline bool ch_min(T&,T);
template<class T> inline bool ch_max(T&,T);
void Yes(bool f){
if(f){
cout << "Yes" << endl;
}else{
cout << "No" << endl;
}
}
void YES(bool f){
if(f){
cout << "YES" << endl;
}else{
cout << "NO" << endl;
}
}
int main(){
int a,b,c,d;
cin >> a >> b >> c >> d;
cout << b-c << endl;
}
template<class T> inline bool ch_min(T& a, T b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template<class T> inline bool ch_max(T& a, T b) {
if (a < b) {
a = b;
return true;
}
return false;
} |
#include <iostream>
#include <algorithm>
using namespace std;
int main()
{
int a, b;
cin >> a >> b;
for (int g = b; b > a; g--){
if(b/g-(a-1)/g >=2){
cout << g << endl;
return 0;
}
}
} | #include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define vi vector<int>
#define vl vector<ll>
#define vvi vector<vector<int> >
#define ss second
#define ff first
#define ll long long
#define int ll
#define popcount(x) __builtin_popcountll(x)
#define pii pair<int , int>
#define arr array
const int mod = 1e9+7;
template <typename T>inline T gcd(T a, T b) { while (b != 0) swap(b, a %= b); return a; }
vector<string> split(const string& s, char c) {
vector<string> v; stringstream ss(s); string x;
while (getline(ss, x, c)) v.push_back(x); return move(v);
}
template<typename T, typename... Args>
inline string arrStr(T arr, int n) {
stringstream s; s << "[";
for(int i = 0; i < n - 1; i++) s << arr[i] << ",";
s << arr[n - 1] << "]";
return s.str();
}
#define EVARS(args...) {__evars_begin(__LINE__); __evars(split(#args, ',').begin(), args);}
inline void __evars_begin(int line) { cerr << "#" << line << ": "; }
template<typename T> inline void __evars_out_var(vector<T> val) { cerr << arrStr(val, val.size()); }
template<typename T> inline void __evars_out_var(T* val) { cerr << arrStr(val, 10); }
template<typename T> inline void __evars_out_var(T val) { cerr << val; }
inline void __evars(vector<string>::iterator it) { cerr << endl; }
template<typename T, typename... Args>
inline void __evars(vector<string>::iterator it, T a, Args... args) {
cerr << it->substr((*it)[0] == ' ', it->length()) << "=";
__evars_out_var(a);
cerr << "; ";
__evars(++it, args...);
}
int dx[]={1,0,-1,0};
int dy[]={0,1,0,-1}; //4 Direction
// char dc[] = {'D' , 'R' , 'U' , 'L'};
// int dx[]={1,1,0,-1,-1,-1,0,1};
// int dy[]={0,1,1,1,0,-1,-1,-1}; // 8D
void solve(){
int a , b;
cin >> a>> b;
int MAX_gcd = gcd(a , b);
int flag = 1;
for (int i = 1 ; i <= b ; i++){
int n1 = ((a+i-1)/i)*i;
int n2 = n1 + i;
if (n1 >= a && n2 >= a && n1 <= b && n2 <= b){
MAX_gcd = max(MAX_gcd , i);
}
}
cout << MAX_gcd << endl;
}
int32_t main(){
// #ifndef ONLINE_JUDGE
// // freopen("input.txt", "r", stdin);
// freopen("output.txt", "w", stdout);
// #endif
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
int t = 1;
// cin >> t;
for (int tt = 0 ; tt < t ; tt++){
// cout << "Case #" << (tt+1) <<": ";
solve();
}
} |
#include<bits/stdc++.h>
using namespace std;
int main(){
double sx,sy,gx,gy;cin>>sx>>sy>>gx>>gy;
gy*=-1;
double a=(sy-gy)/(sx-gx);
cout<<fixed<<setprecision(10)<<sx-sy/a<<endl;
}
| #include<bits/stdc++.h>
// #pragma GCC target("fpmath=387") // Turns on excess precision
using namespace std;
const int p = 31;
const int m = 998244353;
typedef long long ll;
typedef long double ld;
typedef unsigned long long ull;
typedef int in;
#define ar array
#define ff first
#define ss second
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<ll, null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> ordered_set;
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i : x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif
int main() {
ld x = 0.0, y = 0.0, r = 0.0;
cin>>x>>y>>r;
r = nextafter(r,INFINITY);
ld xmn = (ld)(x - r), xmx = (ld)(x + r);
ll xlf = ceil(xmn), xrt = floor(xmx);
ll ans = 0;
ll now = xlf;
while (now <= xrt) {
ld val = sqrtl(r*r-(x-now)*(x-now));
ll a=ceil(y-val);
ll b=floor(y+val);
ans +=b-a+1;
now++;
}
cout << ans;
return 0;
} |
#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main(){
string reorigin;
cin >> reorigin;
string origin = reorigin;
reverse(origin.begin(), origin.end());
if (origin.compare(reorigin) == 0){
printf("Yes");
}
else{
int size = origin.size();
int i;
for(i = 0; i < size; i++){
if (origin[i] == '0'){
continue;
}
else{
break;
}
}
int j;
for(j = size-1; j >=0; j--){
if(origin[j] == '0'){
continue;
}
else{
break;
}
}
string substr = origin.substr(i, j-i + 1);
string newstr = substr;
reverse(substr.begin(), substr.end());
if(newstr.compare(substr) == 0){
cout <<"Yes";
}
else{
cout << "No";
}
}
} | //#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = 1e9 + 7;
const double PI = 3.14159265358979;
#define ALL(x) x.begin(),x.end()
bool isPal(string s){
bool ret = true;
for(int i = 0; i < s.size()/2; i++){
if(s.at(i) != s.at(s.size()-1-i)){
ret = false;
}
}
return ret;
}
int main(){
string n; cin >> n;
for(int i = 0; i <= n.size(); i++){
string zero = "";
for(int j = 0; j < i; j++) zero += "0";
string target = zero + n;
if(isPal(target)){
cout << "Yes" << endl;
return 0;
}
}
cout << "No" << endl;
} |
#pragma GCC optimize("Ofast")
//#pragma GCC target("avx2")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
//#include<boost/multiprecision/cpp_int.hpp>
//#include<boost/multiprecision/cpp_dec_float.hpp>
//namespace mp=boost::multiprecision;
//#define mulint mp::cpp_int
//#define mulfloat mp::cpp_dec_float_100
struct __INIT{__INIT(){cin.tie(0);ios::sync_with_stdio(false);cout<<fixed<<setprecision(15);}} __init;
#define INF (1<<30)
#define LINF (lint)(1LL<<56)
#define endl "\n"
#define rep(i,n) for(lint (i)=0;(i)<(n);(i)++)
#define reprev(i,n) for(lint (i)=(n-1);(i)>=0;(i)--)
#define flc(x) __builtin_popcountll(x)
#define pint pair<int,int>
#define pdouble pair<double,double>
#define plint pair<lint,lint>
#define fi first
#define se second
#define all(x) x.begin(),x.end()
#define vec vector<lint>
#define nep(x) next_permutation(all(x))
typedef long long lint;
int dx[8]={1,1,0,-1,-1,-1,0,1};
int dy[8]={0,1,1,1,0,-1,-1,-1};
const int MAX_N=3e5+5;
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return 1;}return 0;}
//vector<int> bucket[MAX_N/1000];
constexpr int MOD=1000000007;
//constexpr int MOD=998244353;
/*#include<atcoder/all>
using namespace atcoder;
typedef __int128_t llint;*/
lint N,M,X,Y;
struct edge{lint to,cost,k;};
lint V;
vector<edge> G[200000]; // MAX_V
lint d[200000]; // MAX_V
void dijkstra(lint S){
priority_queue<plint,vector<plint>,greater<plint>> que;
fill(d,d+V,LINF);
d[S]=0;
que.push(plint(0,S));
while(!que.empty()){
plint p=que.top();
que.pop();
lint v=p.second;
if(d[v]<p.first) continue;
rep(i,G[v].size()){
edge e=G[v][i];
lint apr=((d[v]+e.k-1)/e.k)*e.k+e.cost;
if(d[e.to]>apr){
d[e.to]=apr;
que.push(plint(d[e.to],e.to));
}
}
}
}
int main(void){
cin >> N >> M >> X >> Y;
V=N;
X--,Y--;
rep(i,M){
lint a,b,t,k;
cin >> a >> b >> t >> k;
a--,b--;
G[a].push_back({b,t,k});
G[b].push_back({a,t,k});
}
dijkstra(X);
if(d[Y]==LINF) cout << -1 << endl;
else cout << d[Y] << endl;
} | #include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
template <typename T> using ordered_set =
tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
#define ll long long
#define rep(i,j,n) for(int i=j;i<n;i++)
#define scn(a) scanf("%d",&a)
#define scns(a,b) scanf("%d %d",&a,&b)
#define print(a) printf("%d\n",a)
#define vec vector<int>
#define pb emplace_back
#define pairs pair<int,int>
#define f first
#define s second
#define all(v) v.begin(),v.end()
#define mem(a,b) memset(a,b,sizeof(a))
#define inf 1e18
const int mod = 1e9+7;
const int N = 5e5+5;
int n;
ll dis[N];
vector<tuple<int,int,int>> v1[N];
int main()
{
int test; test = 1;
while(test--)
{
int m,x,y; scns(n,m); scns(x,y);
rep(i,0,m)
{
int u,v,wt,k; scns(u,v); scns(wt,k);
v1[u].pb(v,wt,k), v1[v].pb(u,wt,k);
}
auto dijkstra = [&](int src)
{
rep(i,0,n+1)
dis[i] = inf;
dis[src] = 0;
set<pair<ll,int>>ms; ms.emplace(0, src);
int cnt = -1;
while((int)ms.size()>0)
{
auto [_, u] = *ms.begin(); ms.erase(ms.begin());
++cnt;
for(auto [v, wt, k]:v1[u])
{
ll folds = ((dis[u]-1)/k + 1)*1LL*k;
ll cost = folds + wt;
if(cnt == 0)
folds = 0;
// cout<<folds<<" "<<u<<" "<<v<<endl;
if(dis[v] > folds + wt)
{
if(dis[v] != inf)
ms.erase({dis[v],v});
dis[v] = folds + wt; ms.emplace(dis[v],v);
}
}
}
};
dijkstra(x);
ll ans = dis[y];
if(dis[y] >= inf)
ans = -1;
printf("%lld\n",ans);
}
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
int main()
{
char ch[1010];
int len,i,x;
cin>>ch;
len=strlen(ch);
for(i=0;i<len;i++){
x=i+1;
if(x%2==0){
if(ch[i]>=97 && ch[i]<=122){
cout<<"No"<<"\n";
return 0;
}
}
else{
if(ch[i]>=65 && ch[i]<=90){
cout<<"No"<<"\n";
return 0;
}
}
}
cout<<"Yes"<<"\n";
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define rng(i, a, b) for (int i = int(a); i < int(b); ++i)
#define rep(i, b) rng(i, 0, b)
#define gnr(i, a, b) for (int i = int(b) - 1; i >= int(a); --i)
#define per(i, b) gnr(i, 0, b)
#define all(obj) begin(obj), end(obj)
#define allr(obj) rbegin(obj), rend(obj)
#define cinv(a) rep(i, (int)a.size()) cin >> a[i]
#define pb push_back
#define eb emplace_back
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> Pi;
typedef vector<Pi> vp;
typedef vector<vp> vvp;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<bool> vb;
typedef vector<vb> vvb;
template <typename T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template <typename T> bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; }
template <typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;
const int di[] = {0, -1, 0, 1};
const int dj[] = {1, 0, -1, 0};
const int MOD = 1e9 + 7;
const int INF = 1e9;
const ll LINF = 1e15;
const long double eps = 1e-10;
const char nl = '\n';
ll power(ll a, ll b) { return b ? power(a * a % MOD, b / 2) * (b % 2 ? a : 1) % MOD : 1; }
ll C(int n, int k)
{
ll x = 1, y = 1;
for (int i = 1; i <= k; ++i)
{
x = x * (n - i + 1) % MOD;
y = y * i % MOD;
}
return x * power(y, MOD - 2) % MOD;
}
struct UF
{
vi d;
UF(int n) : d(n, -1) {}
int root(int x)
{
if (d[x] < 0)
return x;
return d[x] = root(d[x]);
}
bool unite(int x, int y)
{
x = root(x);
y = root(y);
if (x == y)
return false;
if (d[x] > d[y])
swap(x, y);
d[x] += d[y];
d[y] = x;
return true;
}
bool same(int x, int y) { return root(x) == root(y); }
int size(int x) { return -d[root(x)]; }
};
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
string s; cin >> s;
deque<char> t;
int rev = 0;
rep(i, sz(s))
{
if (s[i] == 'R') rev = 1 - rev;
else if (rev) t.push_front(s[i]);
else t.push_back(s[i]);
}
string ans = "";
if (!sz(t))
{
cout << ans << nl;
return 0;
}
ans += t.front();
t.pop_front();
while (sz(t))
{
if (sz(ans) && t.front() == ans.back())
{
ans.pop_back();
}
else
{
ans += t.front();
}
t.pop_front();
}
if (rev && sz(ans)) reverse(all(ans));
cout << ans << nl;
}
|
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define REP(i, n) for(ll i = 0; i < (ll)(n); ++i)
#define FOR(i, a, b) for(ll i=(a); i < (ll)(b); ++i)
template<class T> inline bool chmax(T& a, T b) { if(a < b){ a=b; return 1; } return 0;}
template<class T> inline bool chmin(T& a, T b) { if(a > b){ a=b; return 1; } return 0;}
struct Edge{
ll to;
char c;
};
using pp = pair<ll,ll>;
int main(){
// input
ll n,m;
cin >> n >> m;
vector<vector<Edge>> graph(n);
vector<vector<ll>> adj(n,vector<ll>(n,0));
REP(i,m){
int a,b;
char c;
cin >> a >> b >> c;
a--; b--;
adj[a][b] = 1;
adj[b][a] = 1;
{
Edge e;
e.to = b; e.c = c;
graph[a].push_back(e);
}
if(a==b)continue;
{
Edge e;
e.to = a; e.c = c;
graph[b].push_back(e);
}
}
vector<vector<vector<pp>>> dgraph(n);
REP(i,n) dgraph[i].resize(n);
REP(i,n){
REP(j,n){
for(auto ie:graph[i]){
for(auto je:graph[j]){
if(ie.c==je.c){
dgraph[i][j].push_back(make_pair(ie.to, je.to));
}
}
}
}
}
const ll INF=1e18;
queue<pp> q;
vector<vector<ll>> cost(n,vector<ll>(n,INF));
q.push({0, n-1});
cost[0][n-1] = 0;
while(!q.empty()){
ll nowi = q.front().first;
ll nowj = q.front().second;
q.pop();
ll co = cost[nowi][nowj];
for(auto child : dgraph[nowi][nowj]){
if(cost[child.first][child.second] != INF) continue;
cost[child.first][child.second] = co + 1;
q.push(child);
}
}
ll ans = INF;
REP(i,n){
if(cost[i][i]==INF) continue;
chmin(ans, cost[i][i]*2);
}
REP(i,n){
REP(j,n){
if(adj[i][j]==0) continue;
if(cost[i][j]==INF)continue;
chmin(ans, 2*cost[i][j] +1 );
}
}
if(ans==INF){
cout << "-1\n";
}else{
cout << ans << endl;
}
return 0;
} | #include <algorithm>
#include <cctype>
#include <cmath>
#include <cstring>
#include <iostream>
#include <sstream>
#include <numeric>
#include <map>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <vector>
using namespace std;
typedef pair<int, int> II;
int solve(int N, int M, std::vector<int>& A, std::vector<int>& B, std::vector<char>& C) {
vector<vector<pair<int, char>>> edges(N);
for (int i = 0; i < M; i++) {
edges[A[i]].emplace_back(make_pair(B[i], C[i]));
edges[B[i]].emplace_back(make_pair(A[i], C[i]));
}
vector<vector<int>> visited(N, vector<int>(N));
vector<II> q;
q.emplace_back(II(0, N - 1));
int ans = 1 << 30;
for (int c = 2; !q.empty(); c += 2) {
vector<II> nq;
for (auto f : q) {
int f_from = f.first;
int r_from = f.second;
for (auto fe : edges[f_from]) {
int f_to = fe.first;
int f_color = fe.second;
if (f_to == r_from) {
ans = min(ans, c - 1);
}
for (auto re : edges[r_from]) {
int r_to = re.first;
int r_color = re.second;
// if (f_from == r_to) {
// ans = min(ans, c - 1);
// }
if (f_color != r_color) continue;
if (f_to == r_to) {
ans = min(ans, c);
}
II key(f_to, r_to);
if (!visited[f_to][r_to]) {
visited[f_to][r_to] = 1;
nq.emplace_back(II(f_to, r_to));
}
}
}
}
if (ans < 1 << 30) return ans;
q = nq;
}
return -1;
}
int main() {
int N, M;
std::cin >> N >> M;
std::vector<int> A(M), B(M);
std::vector<char> C(M);
for (int i = 0; i < M; i++) {
std::cin >> A[i] >> B[i] >> C[i];
--A[i], --B[i];
}
cout << solve(N, M, A, B, C) << endl;
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
int main() {
string s;
cin >> s;
string s2 = s;
reverse(s2.begin(), s2.end());
if(s == s2){
cout << "Yes";
return 0;
}
int index = 0;
while(index<s2.size() && s2[index++] == '0'){
s = "0" + s;
s2 = s2 + "0";
if(s == s2){
cout<<"Yes";
return 0;
}
}
cout << "No";
} | #include<iostream>
#include<string>
using namespace std;
int ten(int num){
int digit = 0;
while(num!=0){
num/=10;
digit++;
}
return digit;
}
int main(void){
int num;
cin >> num;
while(num > 0){
if(num %10 == 0){
num /= 10;
}else{
break;
}
}
int num2 = 0;
int digit = ten(num);
if(digit % 2 == 0){
while(num > num2){
num2 = num2*10+num%10;
num /= 10;
}
}else{
for(int i = (digit-1)/2;i > 0;i--){
num2 = num2*10+num%10;
num /= 10;
}
num /= 10;
}
if(num == num2){
cout << "Yes" << endl;
}else{
cout << "No" << endl;
}
return 0;
}
|
//#include "bits/stdc++.h"
#define _USE_MATH_DEFINES
#include<cstdio>
#include <cstring>
#include <cmath>
#include <cstdlib>
#include <deque>
#include <algorithm>
#include <functional>
#include <iostream>
#include <list>
#include <map>
#include <array>
#include <unordered_map>
#include<unordered_set>
#include <numeric>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
#include <iterator>
#include<iomanip>
#include<complex>
#include<fstream>
#include<assert.h>
#include<stdio.h>
using namespace std;
#define rep(i,a,b) for(int i=(a), i##_len=(b);i<i##_len;i++)
#define rrep(i,a,b) for(int i=(b)-1;i>=(a);i--)
#define all(c) begin(c),end(c)
#define int ll
#define SZ(x) ((int)(x).size())
#define pb push_back
#define mp make_pair
//typedef unsigned long long ull;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<ll, int> pli;
typedef pair<int, double> pid;
typedef pair<double, int> pdi;
typedef pair<double, double> pdd;
typedef vector< vector<int> > mat;
template<class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; }
template<class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; }
const int INF = sizeof(int) == sizeof(long long) ? 0x3f3f3f3f3f3f3f3fLL : 0x3f3f3f3f;
const int MOD = (int)1e9 + 7;
const double EPS = 1e-9;
int get_gcd(int n, int m) {
if (n < m) swap(n, m);
while (m) {
swap(n, m);
m %= n;
}
return n;
}
vector<int> get_divisor(int N)
{
vector<int> ret;
rep(i, 1, sqrt(N) + 1) {
if (N % i == 0) {
ret.push_back(i);
if (i * i != N) ret.push_back(N / i);
}
}
sort(begin(ret), end(ret));
return (ret);
}
signed main()
{
cin.tie(0);
ios::sync_with_stdio(false);
int N;
cin >> N;
vector<int> A(N);
int mi = INF;
map<int, int> dmap;
rep(i, 0, N)
{
cin >> A[i];
chmin(mi, A[i]);
auto div = get_divisor(A[i]);
for (auto v : div)
{
if (dmap.find(v) == dmap.end())dmap[v] = A[i];
else dmap[v] = get_gcd(dmap[v], A[i]);
}
}
int ans = 0;
for (auto p : dmap)
{
if (p.first <= mi && p.first == p.second)ans++;
}
cout << ans << endl;
return 0;
} | #include <bits/stdc++.h>
#pragma GCC optimize(2)
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<string>
#include<vector>
#include<set>
#include<map>
#include<queue>
#include<cmath>
#include<cstring>
#include<bitset>
#include<stack>
#include<time.h>
#define X first
#define Y second
#define PB push_back
#define MP make_pair
#define scd(a) scanf("%d",&a)
#define scdd(a,b) scanf("%d%d",&a,&b)
#define scddd(a,b,c) scanf("%d%d%d",&a,&b,&c)
#define ALL(x) x.begin(),x.end()
#define sz(a) ((int)a.size())
#define getmid ((l+r)>>1)
#define mst(var,val) memset(var,val,sizeof(var))
#define IOS ios::sync_with_stdio(false);cin.tie(0)
#define lowbit(x) x&(-x)
#define rep(i,n) for(int i=0;i<n;++i)
#define rep1(i,n) for(int i=1;i<=n;++i)
#define ls rt<<1
#define rs rt<<1|1
using namespace std;
#ifdef local
#define dbg(args...) cout << #args << " -> ", err(args);
void err(){ cout << endl; }
template<typename T, typename... Args>
void err(T a, Args... args){ cout << a << ' '; err(args...); }
#else
#define dbg(args...)
#endif // local
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;
typedef pair <int, ll> pil;
typedef pair <double, double> pdd;
const int inf=0x3f3f3f3f;
const long long INF=0x3f3f3f3f3f3f3f3fLL;
const double PI=acos(-1.0);
const long double eps=1e-8;
const int mod=20000311;
const int maxn=2e5+100;
const int N=2e5+100;
const int M=(1<<20)+10;
const ll mm=(1LL<<32);
template <class T>
inline void read(T &x)
{
x = 0;
char c = getchar();
bool f = 0;
for (; !isdigit(c); c = getchar())
f ^= c == '-';
for (; isdigit(c); c = getchar())
x = x * 10 + (c ^ 48);
x = f ? -x : x;
}
template <class T>
inline void write(T x)
{
if (x < 0)
{
putchar('-');
x = -x;
}
T y = 1;
int len = 1;
for (; y <= x / 10; y *= 10)
++len;
for (; len; --len, x %= y, y /= 10)
putchar(x / y + 48);
}
ll qpow(ll a,ll b,ll mod)
{
ll ans=1;
while(b)
{
if(b&1)
ans=(ans*a)%mod;
b>>=1;
a=(a*a)%mod;
}
return ans;
}
int fa[200],n;
int fd(int x)
{
return x==fa[x]?x:fa[x]=fd(fa[x]);
}
void Unio(int x,int y)
{
x=fd(x),y=fd(y);
if(x!=y) fa[x]=y;
}
pii p[200];
double dist(pii x,pii y)
{
return sqrt((x.X-y.X)*(x.X-y.X)+(x.Y-y.Y)*(x.Y-y.Y));
}
bool check(double r)
{
int s=n+2,t=n+1;
for(int i=1;i<=n+2;++i) fa[i]=i;
for(int i=1;i<=n;++i)
{
if((double)(100-p[i].Y)<2*r) Unio(s,i);
if((double)(p[i].Y+100)<2*r) Unio(t,i);
}
for(int i=1;i<=n;++i)
{
for(int j=1;j<=n;++j)
{
if(dist(p[i],p[j])<2*r) Unio(i,j);
}
}
if(fd(s)==fd(t)) return 0;
return 1;
}
int main()
{
#ifdef local
freopen("in.txt","r",stdin);
#endif // local
IOS;//cout.tie(0);
cin>>n;
rep1(i,n) cin>>p[i].X>>p[i].Y;
double l=0.0,r=100.0;
double ans;
for(int i=1;i<=2000;++i)
{
double mid=(l+r)/2;
if(check(mid)) ans=mid,l=mid;
else r=mid;
}
printf("%.9f\n",ans);
return 0;
}
|
#include<bits/stdc++.h>
using namespace std;
#define int long long
int32_t main()
{
int n;cin>>n;
string s;string t;cin>>s>>t;
int prev=-1;
queue<int>q;
int ans=0;
for(int i=0;i<n;i++)
{
if (t[i] == '1')
q.push(i);
if (s[i] == '1')
{
if (prev != -1)
{
ans += i - prev;
prev = -1;
}
else
{
if (q.empty())
prev = i;
else
{
ans += i - q.front();
q.pop();
}
}
}
}
if(!q.empty() || prev!=-1)
cout<<-1<<endl;
else
cout<<ans<<endl;
} | #include<bits/stdc++.h>
#define For(i,j,k) for (int i=(int)(j);i<=(int)(k);i++)
#define Rep(i,j,k) for (int i=(int)(j);i>=(int)(k);i--)
#define pii pair<int,int>
#define fi first
#define se second
#define PB push_back
#define ll long long
#define ull unsigned long long
#define y1 orzkcz
using namespace std;
const int N=500005;
int n,q1[N],q2[N];
char s[N],t[N];
ll res;
int main(){
scanf("%d",&n);
scanf("%s",s+1);
scanf("%s",t+1);
For(i,1,n) if (s[i]=='1') q1[++*q1]=i;
For(i,1,n) if (t[i]=='1') q2[++*q2]=i;
int p=1;
For(i,1,*q2){
for (;p<=*q1&&q2[i]>q1[p];p+=2)
res+=q1[p+1]-q1[p];
if (p>*q1) return puts("-1"),0;
res+=q1[p]-q2[i]; ++p;
}
for (;p<=*q1;p+=2)
res+=q1[p+1]-q1[p];
if (p!=(*q1)+1)
puts("-1");
else
printf("%lld\n",res);
} |
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int K = 305;
const int N = 200010;
const int MOD = 998244353;
const ll INV = 1 + MOD >> 1;
int n, k;
ll a[N], pwr[N], sum[K], two[K], comb[K][K];
int main() {
cin >> n >> k;
for (int i = 0; i <= k; ++i) comb[i][0] = 1;
for (int i = 1; i <= k; ++i) for (int j = 1; j <= i; ++j) {
comb[i][j] = (comb[i - 1][j] + comb[i - 1][j - 1]) % MOD;
}
for (int i = 1; i <= n; ++i) {
scanf("%lld", a + i);
pwr[i] = 1;
}
sum[0] = n, two[0] = 1;
for (int x = 1; x <= k; ++x) {
for (int i = 1; i <= n; ++i) {
pwr[i] = pwr[i] * a[i] % MOD;
sum[x] = (sum[x] + pwr[i]) % MOD;
}
two[x] = two[x - 1] * 2 % MOD;
}
for (int x = 1; x <= k; ++x) {
ll ans = 0;
for (int i = 0; i <= x; ++i) {
ll cur = sum[i] * sum[x - i] % MOD;
cur = cur * comb[x][i] % MOD;
ans = (ans + cur) % MOD;
}
ans = (ans - two[x] * sum[x]) % MOD;
ans += MOD, ans %= MOD, ans *= INV, ans %= MOD;
printf("%lld\n", ans);
}
return 0;
}
| #include<bits/stdc++.h>
using namespace std;
typedef long long ll;typedef double db;
typedef pair<int, int> pii;typedef pair<ll, ll> pll;
typedef pair<int,ll> pil;typedef pair<ll,int> pli;
#define Fi first
#define Se second
#define _Out(a) cerr<<#a<<" = "<<(a)<<endl
const int INF = 0x3f3f3f3f, MAXN = 1e6 + 50;
const ll LINF = 0x3f3f3f3f3f3f3f3f, MOD = 998244353;
const db Pi = acos(-1), EPS = 1e-6;
void test(){cerr << "\n";}template<typename T,typename...Args>void test(T x,Args...args){cerr<<x<<" ";test(args...);}
inline ll qpow(ll a, ll b){return b?((b&1)?a*qpow(a*a%MOD,b>>1)%MOD:qpow(a*a%MOD,b>>1))%MOD:1;}
inline ll qpow(ll a, ll b,ll c){return b?((b&1)?a*qpow(a*a%c,b>>1,c)%c:qpow(a*a%c,b>>1,c)) %c:1;}
inline ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
inline ll cede(ll a,ll b){if(b<0)return cede(-a,-b);if(a<0)return a/b;return (a+b-1)/b;}
inline ll flde(ll a,ll b){if(b<0)return flde(-a,-b);if(a<0)return (a-b+1)/b;return a/b;}
inline int sign(db x){return x<-EPS ? -1:x>EPS;}
inline int dbcmp(db l,db r){return sign(l - r);}
namespace Fast_IO{ //orz laofu
const int MAXL((1 << 18) + 1);int iof, iotp;
char ioif[MAXL], *ioiS, *ioiT, ioof[MAXL],*iooS=ioof,*iooT=ioof+MAXL-1,ioc,iost[55];
char Getchar(){
if (ioiS == ioiT){
ioiS=ioif;ioiT=ioiS+fread(ioif,1,MAXL,stdin);return (ioiS == ioiT ? EOF : *ioiS++);
}else return (*ioiS++);
}
void Write(){fwrite(ioof,1,iooS-ioof,stdout);iooS=ioof;}
void Putchar(char x){*iooS++ = x;if (iooS == iooT)Write();}
inline int read(){
int x=0;for(iof=1,ioc=Getchar();(ioc<'0'||ioc>'9')&&ioc!=EOF;)iof=ioc=='-'?-1:1,ioc=Getchar();
if(ioc==EOF)Write(),exit(0);
for(x=0;ioc<='9'&&ioc>='0';ioc=Getchar())x=(x<<3)+(x<<1)+(ioc^48);return x*iof;
}
inline long long read_ll(){
long long x=0;for(iof=1,ioc=Getchar();(ioc<'0'||ioc>'9')&&ioc!=EOF;)iof=ioc=='-'?-1:1,ioc=Getchar();
if(ioc==EOF)Write(),exit(0);
for(x=0;ioc<='9'&&ioc>='0';ioc=Getchar())x=(x<<3)+(x<<1)+(ioc^48);return x*iof;
}
void Getstr(char *s, int &l){
for(ioc=Getchar();ioc==' '||ioc=='\n'||ioc=='\t';)ioc=Getchar();
if(ioc==EOF)Write(),exit(0);
for(l=0;!(ioc==' '||ioc=='\n'||ioc=='\t'||ioc==EOF);ioc=Getchar())s[l++]=ioc;s[l] = 0;
}
template <class Int>void Print(Int x, char ch = '\0'){
if(!x)Putchar('0');if(x<0)Putchar('-'),x=-x;while(x)iost[++iotp]=x%10+'0',x/=10;
while(iotp)Putchar(iost[iotp--]);if (ch)Putchar(ch);
}
void Putstr(const char *s){for(int i=0,n=strlen(s);i<n;++i)Putchar(s[i]);}
} // namespace Fast_IO
using namespace Fast_IO;
ll fac[MAXN],invfac[MAXN];
void init()
{
fac[0]=1;for(int i=1;i<MAXN;i++)fac[i]=fac[i-1]*i%MOD;
invfac[MAXN-1]=qpow(fac[MAXN-1],MOD-2);
for(int i=MAXN-2;i>=0;i--)invfac[i]=invfac[i+1]*(i+1)%MOD;
}
inline ll C(int n,int m)
{
if(m<0||m>n)return 0;
return fac[n]*invfac[m]%MOD*invfac[n-m]%MOD;
}
ll tot[333];
void work()
{
int n=read(),k=read();
for(int i=1;i<=n;i++)
{
ll x=read();
ll now=1;
for(int j=0;j<=k;j++)
{
tot[j]=(tot[j]+now)%MOD;
now=now*x%MOD;
}
}
ll mi2=1;
for(int i=1;i<=k;i++)
{
mi2=mi2*2%MOD;
ll ans=0;
for(int j=0;j<=i;j++)
{
ans=(ans+tot[j]*tot[i-j]%MOD*C(i,j)%MOD)%MOD;
}
ans=(ans-tot[i]*mi2%MOD+MOD)*qpow(2,MOD-2)%MOD;
printf("%lld\n",ans);
}
}
int main()
{
init();
//std::ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//int T=read();for(int cas=1;cas<=T;cas++)
//int T;scanf("%d",&T);for(int i=1;i<=T;i++)
work();
// Write();
}
/**
2
5 3 6
3 1 2 4 5
*/ |
#include <iostream>
#include <algorithm>
#include <map>
#include <set>
#include <queue>
#include <bitset>
#include <climits>
#include <string>
#include <cmath>
#include <bitset>
#include <complex>
#include <functional>
#include <ctime>
#include <cassert>
#include <fstream>
#include <stack>
#include <random>
#include <iomanip>
#include <fstream>
using namespace std;
typedef long long ll;
typedef long double dd;
#define i_7 (ll)(1E9+7)
//#define i_7 998244353
#define i_5 i_7-2
ll mod(ll a){
ll c=a%i_7;
if(c>=0)return c;
return c+i_7;
}
typedef pair<ll,ll> l_l;
ll inf=(ll)1E18;
#define rep(i,l,r) for(ll i=l;i<=r;i++)
#define pb push_back
ll max(ll a,ll b){if(a<b)return b;else return a;}
ll min(ll a,ll b){if(a>b)return b;else return a;}
dd EPS=1E-9;
#define endl "\n"
#define fastio ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int main(){fastio
ll a,b,c;cin>>a>>b>>c;
dd dp[101][101][101];
rep(i,0,100){
rep(j,0,100){
rep(k,0,100){
dp[i][j][k]=0.0;
}
}
}
dp[a][b][c]=1.0;
rep(i,a,100){
rep(j,b,100){
rep(k,c,100){
if(i+j+k<=1)continue;
if((i==100 && j==100) || (j==100 && k==100) || (k==100 && i==100))continue;
if(i==a && b==j && k==c)continue;
if(i==100){
dp[i][j][k]+=(dp[i-1][j][k]*(i-1))/(i+j+k-1);
}else if(j==100){
dp[i][j][k]+=(dp[i][j-1][k]*(j-1))/(i+j+k-1);
}else if(k==100){
dp[i][j][k]+=(dp[i][j][k-1]*(k-1))/(i+j+k-1);
}else{
if(i>0)dp[i][j][k]+=(dp[i-1][j][k]*(i-1))/(i+j+k-1);
if(j>0)dp[i][j][k]+=(dp[i][j-1][k]*(j-1))/(i+j+k-1);
if(k>0)dp[i][j][k]+=(dp[i][j][k-1]*(k-1))/(i+j+k-1);
}
}
}
}
dd sum=0;
rep(i,a,100){
rep(j,b,100){
rep(k,c,100){
//cout<<i<<' '<<j<<' '<<k<<' '<<dp[i][j][k]<<endl;
if(i==100 || j==100 || k==100){
sum+=(i+j+k-a-b-c)*dp[i][j][k];
}
}
}
}
cout<<setprecision(20)<<sum<<endl;
return 0;
}
| #include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "dump.hpp"
#else
#define dump(...)
#define dumpv(...)
#endif
#define rep(i, n) for (int i = 0; i < (n); i++)
#define mins(x, y) (x = min(x, y))
#define maxs(x, y) (x = max(x, y))
using ll = long long;
using vi = vector<int>;
using vl = vector<ll>;
using vvi = vector<vi>;
using vvl = vector<vl>;
using P = pair<int, int>;
const int MOD = 1e9 + 7;
const int INF = 1001001001;
const ll LINF = 1001002003004005006ll;
enum queryType { SUM, MAX, MIN };
template<typename T>
struct SegTree {
int n;
T init; // 単位元(初期値)
vector<T> node;
function<T(T&, T&)> calc; // 子ノード2つから親ノードのデータにする処理
SegTree(int sz, queryType qtype) : n(1) {
// 初期値と処理関数の設定
switch (qtype) {
case SUM:
init = 0;
calc = [](T& v1, T& v2) { return v1 + v2; };
break;
case MAX:
init = std::numeric_limits<T>::lowest();
calc = [](T& v1, T& v2) { return (v1 > v2) ? v1 : v2; };
break;
case MIN:
init = std::numeric_limits<T>::max();
calc = [](T& v1, T& v2) { return (v1 < v2) ? v1 : v2; };
break;
}
while (n < sz) n *= 2; // 最下段のノード数は2のべき乗(n)
node.resize(2 * n - 1, init); // セグメント木全体で必要なノード数は2n-1個である
}
SegTree(vector<T>& v, queryType qtype) : SegTree(v.size(), qtype) {
// 最下段に値を入れたあとに、下の段から順番に値を入れる
// 値を入れるには、自分の子の2値を参照すれば良い
// ノードiの親は(i-1)/2、子は(2i+1,2i+2)で見つける
for (int i = 0; i < v.size(); i++) node[i + n - 1] = v[i];
for (int i = n - 2; i >= 0; i--) node[i] = calc(node[2 * i + 1], node[2 * i + 2]);
}
void update(int i, T v) {
i += (n - 1); // 最下段のノードにアクセスする
// 最下段のノードを更新したら、あとは親に上って更新していく
node[i] = v;
while (i > 0) {
i = (i - 1) / 2; // 1つ親にする
node[i] = calc(node[2 * i + 1], node[2 * i + 2]);
}
}
// 要求区間 [a, b) 中の要素の最小値を答える
// k := 自分がいるノードのインデックス、対象区間は [l, r) にあたる
T query(int a, int b, int k = 0, int l = 0, int r = -1) {
// 最初に呼び出されたときの対象区間は [0, n)
if (r < 0) r = n;
// 要求区間と対象区間が交わらない -> 適当に返す
if (r <= a || b <= l) return init;
// 要求区間が対象区間を完全に被覆 -> 対象区間を答えの計算に使う
if (a <= l && r <= b) return node[k];
// 要求区間が対象区間の一部を被覆 -> 子について探索を行う
// 左側の子を vl ・ 右側の子を vr としている
// 新しい対象区間は、現在の対象区間を半分に割ったもの
T vl = query(a, b, 2 * k + 1, l, (l + r) / 2);
T vr = query(a, b, 2 * k + 2, (l + r) / 2, r);
return calc(vl, vr);
}
};
void solve() {
int n;
cin >> n;
vi a(n);
rep(i, n) cin >> a[i];
vl c(n + 1);
vl m(n + 1);
rep(i, n) c[i + 1] += c[i] + a[i];
rep(i, n) m[i + 1] = max(m[i], c[i] + a[i]);
dump(a);
dump(c);
dump(m);
ll x = 0;
ll ans = -INF;
rep(i, n) {
ll nx = x + m[i];
maxs(ans, nx);
x += c[i + 1];
maxs(ans, x);
}
cout << ans << endl;
}
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
cout << fixed << setprecision(15);
// freopen("temp.1", "r", stdin);
solve();
return 0;
} |
#include <iostream>
#include <iomanip>
#include <vector>
class union_find {
const int N; // the number of nodes
int M; // the number of trees
std::vector<int> parent, sz;
public :
union_find(const int& n) : N(n), M(n), parent(n, -1), sz(n, 1) {}
const int& root(const int& k) {return ((parent[k] == -1)?k:(parent[k] = root(parent[k])));}
bool is_united(const int& i, const int& j) {return (root(i) == root(j));}
const int& count_trees() const {return M;}
const int& size(const int& k) {return sz[root(k)];}
bool unite(int i, int j) {
i = root(i); j = root(j);
if (i == j) return false;
if (sz[i] < sz[j]) std::swap(i, j);
sz[i] += sz[j];
parent[j] = i;
M--;
return true;
}
};
int main() {
int N;
std::cin >> N;
int x[N], y[N];
for (int i = 0; i < N; i++) std::cin >> x[i] >> y[i];
double ok = 0, ng = 101;
while (ng - ok > 0.00001) {
double mid = (ok + ng) / 2;
union_find uf(N + 2);
for (int i = 0; i < N - 1; i++) {
for (int j = i + 1; j < N; j++) {
if ((x[i] - x[j]) * (x[i] - x[j]) + (y[i] - y[j]) * (y[i] - y[j]) < 4 * mid * mid) uf.unite(i, j);
}
}
for (int i = 0; i < N; i++) {
if (100 - y[i] < mid * 2) uf.unite(i, N);
if (y[i] + 100 < mid * 2) uf.unite(i, N + 1);
}
if (uf.is_united(N, N + 1)) ng = mid;
else ok = mid;
}
std::cout << std::fixed << std::setprecision(5) << ok << '\n';
} | #include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const ll INF = 9223372036854775807;
const ll MOD = 1000000007;
const long double PI = acos(-1);
#define pb push_back
#define mp make_pair
#define all(v) v.begin(), v.end()
#define o0(a) cout<<a<<" "
#define o1(a) cout<<a<<"\n"
#define o2(a, b) cout<<a<<" "<<b<<"\n"
#define o3(a, b, c) cout<<a<<" "<<b<<" "<<c<<"\n"
#define o4(a, b, c, d) cout<<a<<" "<<b<<" "<<c<<" "<<d<<"\n"
#define i1(a) cin>>a
#define i2(a, b) cin>>a>>b
#define i3(a, b, c) cin>>a>>b>>c
#define i4(a, b, c, d) cin>>a>>b>>c>>d
#define fi first
#define se second
inline ll power(ll a, ll b, ll z = MOD)
{
ll res = 1;
a = (a%z);
while(b)
{
if(b&1)
res = (res*a)%z;
a = (a*a)%z;
b = b>>1;
}
return res;
}
inline ll inverse(ll a, ll z = MOD)
{
return power(a, z-2, z);
}
ll extend(ll a, ll b, ll &x, ll &y)
{
if(b == 0)
{
x = 1;
y = 0;
return a;
}
ll x1, y1;
ll g = extend(b, a%b, x1, y1);
x = y1;
y = x1- (a/b)*y1;
return g;
}
class matrix
{
public:
ll n, aray[5][5], z = MOD-1;
matrix(ll n)
{
this->n = n;
for(ll i=0;i<n;i++)
{
for(ll j=0;j<n;j++)
aray[i][j] = (i == j);
}
}
matrix operator+(const matrix& a)
{
matrix ans = matrix(n);
for(ll i=0;i<n;i++)
{
for(ll j=0;j<n;j++)
ans.aray[i][j] = (a.aray[i][j] + aray[i][j])%z;
}
return ans;
}
matrix operator*(const matrix& a)
{
matrix ans = matrix(n);
for(ll i=0;i<n;i++)
{
for(ll j=0;j<n;j++)
{
ans.aray[i][j] = 0;
for(ll k=0;k<n;k++)
ans.aray[i][j] = (ans.aray[i][j] + aray[i][k]*a.aray[k][j])%z;
}
}
return ans;
}
};
inline matrix mat_power(matrix x, ll b, ll z = MOD)
{
matrix ans = matrix(x.n);
while(b)
{
if(b&1)
ans = ans*x;
x = x*x;
b = b>>1;
}
return ans;
}
// void build(ll node, ll l, ll r)
// {
// lazy[node] = 0;
// if(l == r)
// {
// tree[node] = aray[l];
// return ;
// }
// ll mid = (l+r)>>1;
// build(node<<1, l, mid);
// build((node<<1)+1, mid+1, r);
// tree[node] = tree[node<<1] + tree[(node<<1)+1];
// return ;
// }
// void update(ll node, ll l, ll r, ll left, ll right, ll val)
// {
// if(lazy[node] != 0)
// {
// tree[node] += (r-l+1)*lazy[node];
// if(l != r)
// {
// lazy[node<<1] += lazy[node];
// lazy[(node<<1)+1] += lazy[node];
// }
// lazy[node] = 0;
// }
// if(left > r || l > right)
// return ;
// if(left <= l && right >= r)
// {
// tree[node] += val*(r-l+1);
// if(l != r)
// {
// lazy[node<<1] += val;
// lazy[(node<<1)+1] += val;
// }
// return ;
// }
// ll mid = (l+r)>>1;
// update(node<<1, l, mid, left, right, val);
// update((node<<1)+1, mid+1, r, left, right, val);
// tree[node] = tree[node<<1] + tree[(node<<1)+1];
// return ;
// }
// ll query(ll node, ll l, ll r, ll left, ll right)
// {
// if(left > r || l > right)
// return 0;
// if(lazy[node] != 0)
// {
// tree[node] += (r-l+1)*lazy[node];
// if(l != r)
// {
// lazy[node<<1] += lazy[node];
// lazy[(node<<1)+1] += lazy[node];
// }
// lazy[node] = 0;
// }
// if(left <= l && right >= r)
// return tree[node];
// ll mid = (l+r)>>1;
// return query(node<<1, l, mid, left, right) + query((node<<1)+1, mid+1, r, left, right);
// }
ll x;
map<ll, ll> m;
ll f(ll a)
{
if(m.count(a))
return m[a];
if(a == 1)
return m[a] = abs(a-x);
if(a&1)
return m[a] = min(abs(a-x), min(f((a-1)>>1), f((a+1)>>1)) + 2);
return m[a] = min(abs(a-x), f(a>>1)+1);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
ll y;
cin>>x>>y;
cout<<f(y)<<"\n";
return 0;
} |
#include <iostream>
#include <iomanip>
#include <string>
#include <vector>
#include <algorithm>
#include <utility>
#include <functional>
#include <set>
#include <map>
#include <queue>
#include <deque>
#include <bitset>
#include <math.h>
#include <random>
#include <chrono>
#include <assert.h>
using namespace std ;
using ll = long long ;
using ld = long double ;
template<class T> using V = vector<T> ;
template<class T> using VV = V<V<T>> ;
using pll = pair<ll,ll> ;
#define all(v) v.begin(),v.end()
ll mod = 1000000007 ;
long double pie = acos(-1) ;
ll INF = 1e18 ;
void yorn(bool a){if(a) cout << "Yes" << endl ; else cout << "No" << endl ;}
//void YorN(bool a){if(a) cout << "YES" << endl ; else cout << "NO" << endl ;}
ll gcd(long long a,long long b){if(b==0) return a ; return gcd(b,a%b) ;}
ll lcm(long long a,long long b){return a/gcd(a,b)*b ;}
ll extGCD(ll a,ll b,ll &x,ll &y){
if(b==0){
x = 1 ;
y = 0 ;
return a ;
}
ll d = extGCD(b,a%b,y,x) ;
y -= a/b*x ;
return d ;
}
void fix_cout(){cout << fixed << setprecision(20) ;}
template<class T> void chmax(T &a,T &b){if(a<b) a = b ;}
template<class T> void chmin(T &a,T &b){if(a>b) a = b ;}
int main(){
int n ; cin >> n ;
VV<ll> c(n,V<ll>(n)) ;
for(auto &i:c) for(auto &j:i) cin >> j ;
V<pair<ll,ll>> a(n),b(n) ;
a[0] = {1,0} ;
for(int i=1;i<n;i++) a[i] = {1,a[i-1].second+c[0][i]-c[0][i-1]} ;
b[0] = {-1,c[0][0]} ;
for(int i=1;i<n;i++) b[i] = {-1,b[i-1].second+c[i][0]-c[i-1][0]} ;
bool ok = true ;
for(int i=0;i<n;i++) for(int j=0;j<n;j++){
ok &= c[i][j]==(a[j].second+b[i].second) ;
}
ll mn=INF,mx=-INF ;
for(int i=0;i<n;i++){
mx = max(mx,-a[i].second) ;
mn = min(mn,b[i].second) ;
}
ok &= mx<=mn ;
if(!ok) cout << "No" << endl ;
else{
cout << "Yes" << endl ;
ll x = mn ;
for(int i=0;i<n;i++) cout << -x+b[i].second << (i+1==n?"\n":" ") ;
for(int i=0;i<n;i++) cout << x+a[i].second << (i+1==n?"\n":" ") ;
}
} | // URL
#include <iostream>
#include <vector>
using namespace std;
#define loop(i, a, b) for (int i = a; i < b; i++)
#define mp make_pair
#define pb push_back
#define sz size
#define rsz resize
typedef long long LL;
const char NL = '\n';
const char SP = ' ';
const char HB[] = "HOBA";
const LL llinf = 9e18;
const int iinf = 2e9;
ostream& operator<< (ostream& os, vector <int> v) {
for (int i = 0; i < v.size(); i++) {
os << v[i] << SP;
}
os << NL;
return os;
}
int main() {
ios_base::sync_with_stdio(false);
int n, m;
cin >> n;
m = n;
int c[n][m];
vector <int> b(m, iinf);
vector <vector <int> > a(n);
loop (i, 0, n) {
a[i].rsz(m);
loop (j, 0, m) {
cin >> c[i][j];
}
}
loop (j, 0, m) {
loop (i, 0, n) {
b[j] = min(b[j], c[i][j]);
}
}
loop (j, 0, m) {
loop (i, 0, n) {
a[i][j] = c[i][j] - b[j];
}
}
loop (j, 1, m) {
loop (i, 0, n) {
if (a[i][j] != a[i][j - 1]) {
cout << "No\n";
exit(0);
}
}
}
cout << "Yes\n";
loop (i, 0, n) {
cout << a[i][0] << SP;
}
cout << NL;
loop (j, 0, m) {
cout << b[j] << SP;
}
cout << NL;
return 0;
}
/*
SAMPLE
*/ |
//ver 8.1
#include <bits/stdc++.h>
using namespace std;
void init() {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(15);}
using ll = long long;
using ld = long double;
using vl = vector<ll>;
using vd = vector<ld>;
using vs = vector<string>;
using vb = vector<bool>;
using vvl = vector<vector<ll>>;
using vvd = vector<vector<ld>>;
using vvs = vector<vector<string>>;
using vvb = vector<vector<bool>>;
using pll = pair<ll,ll>;
using mll = map<ll,ll>;
template<class T> using V = vector<T>;
template<class T> using VV = vector<vector<T>>;
#define each(x,v) for(auto& x : (v))
#define reps(i,a,b) for(ll i=(ll)(a);i<(ll)(b);i++)
#define rep(i,n) for(ll i=0;i<(ll)(n);i++)
#define pb push_back
#define eb emplace_back
#define fi first
#define se second
#define mp make_pair
const ll INF = 1LL << 60;
#define CLR(mat,f) memset(mat, f, sizeof(mat))
#define IN(a, b, x) ((a)<=(x)&&(x)<=(b))
#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ) //被り削除
#define debug cout << "line : " << __LINE__ << " debug" << endl;
#define ini(...) int __VA_ARGS__; in(__VA_ARGS__)
#define inl(...) long long __VA_ARGS__; in(__VA_ARGS__)
#define ind(...) long double __VA_ARGS__; in(__VA_ARGS__)
#define ins(...) string __VA_ARGS__; in(__VA_ARGS__)
#define inc(...) char __VA_ARGS__; in(__VA_ARGS__)
void in(){}
template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);}
template <typename T> void in1(T &s) {rep(i,s.size()){in(s[i]);}}
template <typename T> void in2(T &s,T &t) {rep(i,s.size()){in(s[i],t[i]);}}
template <typename T> void in3(T &s,T &t,T &u) {rep(i,s.size()){in(s[i],t[i],u[i]);}}
template <typename T> void in4(T &s,T &t,T &u,T &v) {rep(i,s.size()){in(s[i],t[i],u[i],v[i]);}}
template <typename T> void in5(T &s,T &t,T &u,T &v,T &w) {rep(i,s.size()){in(s[i],t[i],u[i],v[i],w[i]);}}
void out(){cout << endl;}
template <typename T,class... U> void out(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; out(u...);}
void die(){cout << endl;exit(0);}
template <typename T,class... U> void die(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; die(u...);}
template <typename T> void outv(T s) {rep(i,s.size()){if(i!=0)cout<<" ";cout<<s[i];}cout<<endl;}
template <typename T> void out1(T s) {rep(i,s.size()){out(s[i]);}}
template <typename T> void out2(T s,T t) {rep(i,s.size()){out(s[i],t[i]);}}
template <typename T> void out3(T s,T t,T u) {rep(i,s.size()){out(s[i],t[i],u[i]);}}
template <typename T> void out4(T s,T t,T u,T v) {rep(i,s.size()){out(s[i],t[i],u[i],v[i]);}}
template <typename T> void out5(T s,T t,T u,T v,T w) {rep(i,s.size()){out(s[i],t[i],u[i],v[i],w[i]);}}
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
template <typename T> T allSum(vector<T> a){T ans=T();each(it,a)ans+=it;return ans;}
template<typename T> bool inside(T a,T b){auto it=a.begin()-1;each(x,b){it=find(it+1,a.end(),x);if(it==a.end())return false;}return true;}
ll ceilDiv(ll a,ll b) {return (a+b-1)/b;}
ld dist(pair<ld,ld> a, pair<ld,ld> b){return sqrt(abs(a.fi-b.fi)*abs(a.fi-b.fi)+abs(a.se-b.se)*abs(a.se-b.se));} // ２点間の距離
ll gcd(ll a, ll b) { return b != 0 ? gcd(b, a % b) : a; }
ll lcm(ll a,ll b){ return a / gcd(a,b) * b;}
template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); }
template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); }
#define YES(n) ((n) ? "YES" : "NO" )
#define Yes(n) ((n) ? "Yes" : "No" )
#define yes(n) ((n) ? "yes" : "no" )
int main(){
init();
inl(n);
V<ll> a(n);
in1(a);
map<ll,ll> m;
rep(i,n){
m[a[i]]++;
}
ll ans=n*(n-1)/2;
each(x,m){
ans-=x.se*(x.se-1)/2;
}
out(ans);
return 0;
} | #include <bits/stdc++.h>
using namespace std;
// For Policy Based DS
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
// ---------------------------------------
#define endl "\n"
#define ff first
#define ss second
#define int long long
#define pb emplace_back
#define mp make_pair
#define pll pair<int,int>
#define vll vector<int>
#define vpll vector<pair<int,int>>
#define all(c) (c).begin(), (c).end()
#define bs binary_search
#define pqb priority_queue<int>
#define setbits(x) __builtin_popcountll(x)
#define mod 1000000007
#define mem(arr,x) memset(arr,x,sizeof(arr))
#define pi 3.14159265358979323846
#define inf 2000000000000000000
#define ps(x,y) fixed<<setprecision(y)<<x
#define test(x) int x; cin>>x;while(x--)
template<class A> void read(vector<A>& v);
template<class A, size_t S> void read(array<A, S>& a);
template<class T> void read(T& x) {
cin >> x;
}
void read(double& d) {
string t;
read(t);
d = stod(t);
}
void read(long double& d) {
string t;
read(t);
d = stold(t);
}
template<class H, class... T> void read(H& h, T&... t) {
read(h);
read(t...);
}
template<class A> void read(vector<A>& x) {
for (auto &a : x)
read(a);
}
template<class A, size_t S> void read(array<A, S>& x) {
for (auto &a : x)
read(a);
}
const int d4i[4] = { -1, 0, 1, 0};
const int d4j[4] = {0, 1, 0, -1};
const int d8i[8] = { -1, -1, 0, 1, 1, 1, 0, -1};
const int d8j[8] = {0, 1, 1, 1, 0, -1, -1, -1};
void c_p_c()
{
ios_base::sync_with_stdio(0);
cin.tie(0); cout.tie(0);
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
}
int pow(int a, int b)
{
int res = 1;
while (b > 0)
{
if (b % 2)
res = (res * a);
a = (a * a);
b >>= 1;
}
return res;
}
int ncr(int n, int k)
{ if (k == 0)
return 1;
if (k > n - k)
k = n - k;
int a = 1, b = 1, d;
while (k)
{ a *= n; b *= k;
d = __gcd(a, b);
a /= d; b /= d;
n--; k--;
}
return a;
}
/***************************CODE BEGINS**************************************/
void solve()
{
int a, b;
read(a, b);
int x = 2 * a + 100;
cout << x - b;
}
int32_t main()
{
c_p_c();
// test(x)
solve();
return 0;
} |
#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define rep1(i,n) for (int i = 1; i <= (n); ++i)
#define bit(n,k) ((n>>k)&1) //nのk bit目
#define vec(T) vector<T>
#define vvec(T) vec(vec(T))
using ll = long long;
using P = pair<int,int>;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
const ll llINF = 1LL << 60;
const int iINF = 1e9;
//------------------------------------------------
struct path{
int to,id,dir;
path(int to=0, int id=0, int dir=0):to(to),id(id),dir(dir){}
};
struct Solver{
vec(int) ans;
vvec(path) ps;
void dfs(int now){
for(auto psi:ps[now]){
if(ans[psi.id]!=-1) continue;
ans[psi.id]=psi.dir;
dfs(psi.to);
}
}
void solve(){
int N,M;
cin >> N >> M;
vec(P) ed(M);
ps = vvec(path)(N);
rep(i,M){
int a,b;
cin >> a >> b;
--a; --b;
ed[i]=P(a,b);
ps[a].emplace_back(b,i,0);
ps[b].emplace_back(a,i,1);
}
vec(int) C(N);
rep(i,N) cin >> C[i];
ans = vec(int)(M,-1);
rep(i,M){
int a=ed[i].first;
int b=ed[i].second;
if(C[a]>C[b]) ans[i]=0;
if(C[a]<C[b]) ans[i]=1;
}
rep(i,N) dfs(i);
rep(i,M) cout << (ans[i]?"<-":"->") << endl;
}
};
int main(){
int testcasenum=1;
//cin >> testcasenum;
rep1(ti,testcasenum){
Solver solver;
solver.solve();
}
return 0;
} | #include <bits/stdc++.h>
#pragma GCC optimize("unroll-loops,no-stack-protector")
#pragma GCC target("sse,sse2,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define watch(x) cout << (#x) << " is " << (x) << endl
#define debug cout << "hi" << endl
#define maxn 3e5+50
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<long long ,long long>pll;
ll gcd(ll a, ll b) {return (!b ? a : gcd(b, a % b));}
ll lcm(ll a, ll b) {return ((a*b)/gcd(a,b));}
const ll mod = 1e9 + 7;
const int INF32 = 1<<30;
const ll INF64 = 1LL<<60;
const ld pi = 3.141592653589793;
long long modpow(long long n, long long k,long long mod)
{
if (k == 0) return 1;
long long r = modpow(n * n % mod, k >> 1, mod);
if (k & 1) r = r * n % mod;
return r;
}
vector<vector<pii>>adj(maxn);
vector<bool>vis(maxn,0),have(maxn,0);
vector<int>a(maxn),b(maxn),c(maxn),ans(maxn,0);
void dfs(int v){
vis[v] = 1;
for(auto i:adj[v]){
int u = i.first,idx = i.second;
if(have[idx]) continue;
have[idx] = 1;
if(u == b[idx]) ans[idx] = 1;
dfs(u);
}
}
void solve(){
int n,m;cin >> n >> m;
for(int i = 0;i<m;i++) cin >> a[i] >> b[i];
for(int i = 1;i<=n;i++) cin >> c[i];
for(int i = 0;i<m;i++){
if(c[a[i]]>c[b[i]]) ans[i] = 1;
else if(c[a[i]]==c[b[i]])
{
int v = a[i],u = b[i];
adj[v].push_back({u,i});
adj[u].push_back({v,i});
}
}
for(int i = 1;i<=n;i++){
if(!vis[i]) dfs(i);
}
for(int i = 0;i<m;i++){
if(ans[i]) cout << "->" <<'\n';
else cout << "<-" <<'\n';
}
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);cout.tie(NULL);
solve();
return 0;
}
|
#include <bits/stdc++.h>
using namespace std;
const int N=1e5+5;
int MOD=1e9+9;
long long n,a[N],b[N];
int solve() {
cin>>n;
string s,str1="",str2="";
cin>>s;
for(int i=0;i<2*n;i++)
{
if(i<n)
str1+=s[i];
else
str2+=s[i];
}
bool cur=0;
int q;
cin>>q;
while(q--)
{
int t, i,j;
cin>>t>>i>>j;
i--;
j--;
if(i>j)
swap(i,j);
if(t==1 && cur==0)
{
if(i<n && j<n)
swap(str1[i],str1[j]);
else if(i>=n && j>=n)
swap(str2[i-n],str2[j-n]);
else
{
j-=(n);
swap(str1[i],str2[j]);
}
}
else if(t==1 && cur==1)
{
if(i<n && j<n)
swap(str2[i],str2[j]);
else if(i>=n && j>=n)
swap(str1[i-n],str1[j-n]);
else
{
j-=n;
swap(str2[i],str1[j]);
}
}
else
cur^=1;
}
if(cur==0)
cout<<str1<<str2;
else
cout<<str2<<str1;
return 0;
}
int main()
{
#ifndef ONLINE_JUDGE
freopen("input.txt" ,"r" ,stdin);
freopen("output.txt" ,"w" ,stdout);
#endif
ios_base::sync_with_stdio(false);
cin.tie(NULL);
/*int t;
cin>>t;
while(t--)*/
solve();
return 0;
} | #include<iostream>
#include<vector>
#include<algorithm>
#include<random>
#include<map>
long long int realOdometer = 0;
long long int manhattanOdometer = 0;
long long int generalAverage = 0;
using namespace std;
int main(){
pair<int, int>s, t;
map<pair<pair<int, int>, pair<int, int>>, pair<int, int>>distance;
int loopCount = 0;
while(cin >> s.first >> s.second >> t.first >> t.second){
string str = "";
for(int i=0; i<abs(t.first-s.first); i++){
str = str + (t.first-s.first>0? "D": "U");
}
for(int i=0; i<abs(t.second-s.second); i++){
str = str + (t.second-s.second>0? "R": "L");
}
mt19937 g(loopCount);
shuffle(str.begin(), str.end(), g);
if(loopCount<2){
cout << str << endl;
}else{
str.clear();
pair<int, int>currentPos = s;
while(currentPos!=t){
if(currentPos.first==t.first||currentPos.second==t.second){
if(currentPos.first==t.first){
str.push_back(currentPos.second<t.second? 'R': 'L');
}else{
str.push_back(currentPos.first<t.first? 'D': 'U');
}
}else{
pair<int, int>component0 = make_pair(currentPos.first, currentPos.second + (currentPos.second<t.second? +1: -1));
pair<int, int>component1 = make_pair(currentPos.first + (currentPos.first<t.first? +1: -1), currentPos.second);
pair<pair<int, int>, pair<int, int>>candidate0 = make_pair(currentPos, component0);
pair<pair<int, int>, pair<int, int>>candidate1 = make_pair(currentPos, component1);
if(candidate0.first>candidate0.second){
swap(candidate0.first, candidate0.second);
}
if(candidate1.first>candidate1.second){
swap(candidate1.first, candidate1.second);
}
int d0 = distance[candidate0].first!=0? distance[candidate0].first: generalAverage;
int d1 = distance[candidate1].first!=0? distance[candidate1].first: generalAverage;
if(d0<d1){
str.push_back(currentPos.second<t.second? 'R': 'L');
}else{
str.push_back(currentPos.first<t.first? 'D': 'U');
}
}
currentPos.first+= (str.back()=='D') - (str.back()=='U');
currentPos.second+= (str.back()=='R') - (str.back()=='L');
}
cout << str << endl;
}
long long int D;
cin >> D;
realOdometer+= D;
manhattanOdometer+= str.length();
generalAverage = realOdometer/manhattanOdometer;
int manhattan_d = str.length();
vector<pair<pair<int, int>, pair<int, int>>>toDoList;
for(int i=0; i<manhattan_d; i++){
pair<int, int>temp1, temp2;
if(i!=0){
temp1 = toDoList.back().second;
}else{
temp1 = s;
}
auto convert = [&](char c){
pair<int, int> val = temp1;
if(c=='R'||c=='L'){
val = make_pair(val.first, val.second + (c=='R'? +1: -1));
}else{
val = make_pair(val.first + (c=='D'? +1: -1), val.second);
}
return val;
};
temp2 = convert(str.at(i));
toDoList.push_back(make_pair(temp1, temp2));
}
while(toDoList.size()!=0){
if(toDoList.back().first>toDoList.back().second){
swap(toDoList.back().first, toDoList.back().second);
}
distance[toDoList.back()].second++;
distance[toDoList.back()].first =
(distance[toDoList.back()].first * (distance[toDoList.back()].second-1)
+ D/manhattan_d)/distance[toDoList.back()].second;
toDoList.pop_back();
}
loopCount++;
}
return 0;
} |
#include <bits/stdc++.h>
// #include <atcoder/all>
using namespace std;
// using namespace atcoder;
typedef int64_t lint;
#define rep(i, n) for(int i=0; i<n; i++)
#define repx(i, l, n) for(int i=l; i<n; i++)
#define all(v) v.begin(), v.end()
#define show(x) cout << #x << ": " << x << endl;
#define list(x) cout << #x << ": " << x << " ";
#define pb push_back
using vi = vector<lint>;
using vvi = vector<vector<lint>>;
template<class T> inline void vin(vector<T>& v) { rep(i, v.size()) cin >> v.at(i); }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }
template<class T> inline void drop(T x) { cout << x << endl; exit(0); }
template<class T> void vout(vector<T> v) { rep(i, v.size()) { cout << v.at(i) << ' '; } cout << endl; }
constexpr lint LINF = LLONG_MAX/2;
int main() {
int N, M;
cin >> N >> M;
vector<pair<int, string>> V(M);
string s;
rep(i, M) {
cin >> s;
V[i] = {s.size(), s};
}
sort(all(V));
vector<vector<string>> T(8);
rep(i, M) {
T[(V[i].second[0]-'A')].pb(V[i].second);
}
int a=0, b=0, c=0, x, y, z;
vi v(8);
vector<string> S(20);
rep(i, M) {
s = T[b][v[b]];
if (S[a].size() + s.size() > 20) a++;
if (a == 20) break;
if (S[a].size()) S[a] = S[a].substr(0, S[a].size()-1);
S[a] += s;
v[b] = (v[b]+1)%T[b].size();
b = s[s.size()-1]-'A';
}
rep(i, 20) {
rep(j, 20) {
if (S[i].size() < 20) S[i] += 'A' + rand()%8;
}
std::cout << S[i] << '\n';
}
}
|
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/detail/standard_policies.hpp>
using namespace std;
using namespace __gnu_pbds;
#define endl "\n"
#define fi first
#define se second
#define pb push_back
#define int long long
#define ll long long
#define ld long double
#define pii pair<ll,ll>
#define re(t) ll t;cin>>t;
#define all(value) value.begin(),value.end()
#define f(a,b,c) for(ll a=b;a<c;a++)
#define For(i,n) for(ll i=0;i<n;i++)
#define what(value) cerr << #value << " is " << value << endl;
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) ;
typedef tree<pair<ll,ll>, null_type,less<pair<ll,ll>>, rb_tree_tag,tree_order_statistics_node_update> omultiset;
typedef tree<long long,null_type,less<long long>,rb_tree_tag,tree_order_statistics_node_update> oset;
typedef tree<long long,null_type,greater<long long>,rb_tree_tag,tree_order_statistics_node_update> oset1;
/*.....................................................................................................................*/
//a.erase(unique(a.begin(),a.end()),a.end());
double pi=3.141592653589793238462641;
ll dx[4]={1,-1,0,0},dy[4]={0,0,1,-1};
const int mod= 998244353 , inf =1e18;
long long binpow(int a,int b,int m)
{
a %= m;int res = 1;
while (b > 0)
{
if (b & 1)res=(res*a)%m;
a=(a*a)%m ; b/=2;
}
return res;
}
int modinv(int n,int m) {return binpow(n,m-2,m);}
const ll man =(int)2e5+5;
/*......................................................................................................................*/
signed main()
{
fast;
int a,b,c;
cin>>a>>b>>c;
int ans=1;
ans=(ans*(a))%mod;
ans=(ans*(a+1))%mod;
ans=(ans*modinv(2,mod))%mod;
ans=(ans*(b))%mod;
ans=(ans*(b+1))%mod;
ans=(ans*modinv(2,mod))%mod;
ans=(ans*(c))%mod;
ans=(ans*(c+1))%mod;
ans=(ans*modinv(2,mod))%mod;
cout<<ans<<endl;
} |
#pragma GCC optimize("O3")
#pragma comment(linker, "/stack:200000000")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define int long long
#define pb push_back
#define pf push_front
#define eb emplace_back
#define mp make_pair
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define f first
#define s second
#define sz(x) (int)x.size()
#define endl "\n"
#define forn(i,n) for(int i=0;i<n;++i)
#define fore(i,l,r) for(int i=int(l);i<=int(r);++i)
#define rep(i,begin,end) for(__typeof(end) i=(begin);i!=(end);i++)
#define fill(a,value) memset(a,value,sizeof(a));
#define gcd(a,b) __gcd((a),(b))
#define watch1(x) cout<<(x)<<endl
#define watch2(x,y) cout<<(x)<<" "<<(y)<<endl
#define watch3(x,y,z) cout<<(x)<<" "<<(y)<<" "<<(z)<<endl
#define fastio ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vpii;
typedef tree<pii, null_type, less<pii>, rb_tree_tag, tree_order_statistics_node_update> oset;
const int INF = 9e18;
const int mod = 998244353;
const int N = 2e5 + 5;
int i, n;
string s;
void solve()
{
cin >> s;
map<int, int> freq;
for (char c : s)
{
freq[c - '0']++;
}
if (sz(s) == 1)
{
if (s == "8")
cout << "Yes" << endl;
else
cout << "No" << endl;
return;
}
if (sz(s) == 2)
{
for (i = 16; i < 100; i += 8)
{
int a = i / 10, b = i % 10;
freq[a]--;
freq[b]--;
if (freq[a] >= 0 && freq[b] >= 0 && a > 0 && b > 0)
{
cout << "Yes" << endl;
return;
}
freq[a]++;
freq[b]++;
}
cout << "No" << endl;
return;
}
for (i = 112; i < 1000; i += 8)
{
int a = i / 100, b = (i / 10) % 10, c = i % 10;
freq[a]--;
freq[b]--;
freq[c]--;
if (a > 0 && b > 0 && c > 0)
{
if (freq[a] >= 0 && freq[b] >= 0 && freq[c] >= 0)
{
cout << "Yes" << endl;
return;
}
}
freq[a]++;
freq[b]++;
freq[c]++;
}
cout << "No" << endl;
}
signed main()
{
#ifndef ONLINE_JUDGE
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#endif
fastio;
int t;
//cin >> t;
t = 1;
while (t--)
{
solve();
}
return 0;
}
| // I_Love_LPL
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define endl '\n'
const int N = 2e3 + 5;
long long mod = 1e9 + 7;
const int lim = 700;
const int lg = 19;
const long double eps = 1e-6;
ll a[N];
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
if (fopen("tests.inp", "r")){
freopen("tests.inp", "r", stdin);
freopen("tests.out", "w", stdout);
}
ll n;
cin >> n;
ll mn = 1e9;
for (int i = 1; i <= n; i++){
cin >> a[i];
mn = min(a[i], mn);
}
unordered_map<ll, ll> mem;
for (int i = 1; i <= n; i++){
for (int j = 1; j * j <= a[i] && j <= mn; j++){
if ((a[i] % j) == 0){
mem[j] = __gcd(mem[j], a[i]);
if ((a[i] / j) <= mn){
mem[a[i] / j] = __gcd(mem[a[i] / j], a[i]);
}
}
}
}
ll ans = 0;
for (auto j : mem){
if (j.first == j.second) ans++;
}
cout << ans;
}
/*
Ans:
Out:
*/
|
#include "bits/stdc++.h"
#include "ext/pb_ds/assoc_container.hpp"
#include "ext/pb_ds/tree_policy.hpp"
#pragma GCC optimize("Ofast")
using namespace std;
//#define int long long
#define double long double
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL)
#define ArrayFill(arr,a) memset(arr,a,sizeof arr)
#define endl '\n'
#define countBit(x) __builtin_popcountll(x)
#define all(x) x.begin() , x.end()
#define ln cout<<'\n';
using namespace std;
using namespace __gnu_pbds;
typedef tree<pair<int,int>, null_type, less<pair<int,int>>, rb_tree_tag, tree_order_statistics_node_update> oset;
int ceil(int a,int b){return (a+b-1)/b;}
#define sim template < class c
#define ris return * this
#define dor > debug_ & operator <<
#define eni(x) sim > typename enable_if<sizeof dud<c>(0) x 1, debug_&>::type operator<<(c i) {
sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...);
struct debug_ {~debug_() { cerr << endl; }eni(!=) cerr << boolalpha << i; ris; }eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {ris << "(" << d.first << ", " << d.second << ")";}
sim dor(rge<c> d){*this << "[";for (auto it = d.b; it != d.e; ++it)*this << ", " + 2 * (it == d.b) << *it;ris << "]";}};
#define db(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define debug(x) debug_() << db(x)
const int MOD = 1000000007ll;
const int N = 1e4+5;
const int inf = MOD;
int A[N];
signed main(){
fast;
int n;
cin >> n;
for(int i=0;i<n;++i)cin >> A[i];
int ans=0;
for(int i=0;i<n;++i){
int mn = A[i];
int cur = A[i];
ans=max(ans,cur);
int cnt=1;
for(int j=i+1;j<n;++j){
mn = min(A[j],mn);
cur = mn*(++cnt);
ans=max(ans,cur);
}
//debug(ans);
}
cout<<ans;
return 0;
} | #include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
#define mp make_pair
#define pb(x) push_back(x)
#define vll vector<long long>
#define pll pair<long long, long long>
#define mll map<long long, long long>
#define sz(v) ((int)(v).size())
#define all(v) (v).begin(), (v).end()
#define gcd __gcd
#define clr(x) memset(x, 0, sizeof(x))
#define mod 1000000007LL
#define mod2 998244353LL
#define INF 1e18
typedef long long ll;
typedef long double ld;
typedef tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> o_tree;
struct segTree
{
ll size;
vll data, delta; // delta contains operations
ll neutral;
void init(ll n)
{
size = 1;
while (size < n)
size *= 2ll;
data.assign(2 * size, 0ll); // fill depending on what data stores
delta.assign(2 * size, 0ll);
neutral = 0;
}
ll op(ll a, ll b) // used in update , query , prop
{
return a + b;
}
ll op2(ll a,ll b)
{
return min(a,b);
}
void update(ll node) // update parent
{
ll left = 2 * node + 1;
ll right = 2 * node + 2;
data[node] = op2(data[left]+delta[left], data[right]+delta[right]);
}
void prop(ll node)
{
ll left = 2 * node + 1;
ll right = 2 * node + 2;
// operation here depends on what we modify
delta[left] += delta[node];
delta[right] += delta[node];
delta[node] = 0;
}
void modify(ll l, ll r, ll val, ll node, ll lo, ll hi)
{
if (l > hi || r < lo)
{
return;
}
if (l <= lo && r >= hi)
{
delta[node] += val;
return;
}
ll mid = lo + (hi - lo) / 2;
if (lo != hi)
{
prop(node);
}
modify(l, r, val, 2 * node + 1, lo, mid);
modify(l, r, val, 2 * node + 2, mid + 1, hi);
update(node);
}
void modify(ll l, ll r, ll val) // set data[indx] = val
{
modify(l, r, val, 0, 0, size - 1);
}
ll query(ll l, ll r, ll node, ll lo, ll hi)
{
if (l > hi || r < lo)
{
return INF;
}
if (l <= lo && r >= hi)
{
return data[node] + delta[node];
}
if (lo != hi)
{
prop(node);
}
ll mid = lo + (hi - lo) / 2;
ll left_val = query(l, r, 2 * node + 1, lo, mid);
ll right_val = query(l, r, 2 * node + 2, mid + 1, hi);
update(node);
return op2(left_val, right_val);
}
ll query(ll l, ll r)
{
return query(l, r, 0, 0, size - 1);
}
};
void solve()
{
ll n;
cin>>n;
ll i,j;
ll a[n];
for(i=0;i<n;i++)cin>>a[i];
ll res=0;
segTree seg;
seg.init(n);
for(i=0;i<n;i++)
{
seg.modify(i,i,a[i]);
}
for(i=0;i<n;i++)
{
ll mini = INF;
for(j=i;j<n;j++)
{
mini = min(mini,a[j]);
res=max(res,mini*(j-i+1));
}
}
cout<<res<<"\n";
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
if (fopen("input.txt","r" ))
{
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
}
cout<<setprecision(20);
ll t=1;
// cin>>t;
while(t--)
{
solve();
}
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n;
cin>>n;
if(n%2==0)
cout<<"White"<<endl;
else cout<<"Black"<<endl;
}
| #include <bits/stdc++.h>
using namespace std;
template <class c>
struct re {
c b, e;
};
template <class c>
re<c> range(c i, c j) { return re<c>{i, j}; }
template <class c>
auto dud(c* x) -> decltype(cerr << *x, 0);
template <class c>
char dud(...);
struct debug {
#ifndef ONLINE_JUDGE
~debug()
{
cerr << endl;
}
template <class c>
typename enable_if<sizeof dud<c>(0) != 1, debug&>::type operator<<(c i)
{
cerr << boolalpha << i;
return *this;
}
template <class c>
typename enable_if<sizeof dud<c>(0) == 1, debug&>::type operator<<(c i)
{
return *this << range(begin(i), end(i));
}
template <class c, class b>
debug& operator<<(pair<b, c> d)
{
return *this << "(" << d.first << ", " << d.second << ")";
}
template <class c>
debug& operator<<(re<c> d)
{
*this << "[";
for (auto it = d.b; it != d.e; ++it)
{
*this << ", " + 2 * (it == d.b) << *it;
}
return *this << "]";
}
#else
template <class c>
debug& operator<<(const c&)
{
return *this;
}
#endif
};
#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
#define dbg debug()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
typedef long long ll;
void genp(vector<int> &a, int n) {
vector<bool> p(1001, true);
for(int i = 2; i <= 1000; i++) {
if(p[i]) {
for(int j = i*i; j <= 1000; j += i) p[j] = false;
}
}
for(int i = 2; (int)a.size() < n; i++) {
if(p[i]) a.push_back(i);
}
}
void gen(vector<int> &a, int n) {
a.push_back(2);
if(n == 1) {
return;
}
int b = 0;
for(int i = 3; i > 0; i++) {
for(int j = 2; j <= i/2; j++) {
if(i%j == 0) {
b = 1;
break;
}
}
if(b == 0) a.push_back(i);
b = 0;
if((int)a.size() == n) break;
}
}
void t_c() {
int n;
cin >> n;
puts(n&1? "Black": "White");
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
t_c();
}
|
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i,n,k) for(int i=(n);i<(k);i++)
#define ALL(a) (a).begin(),(a).end()
ll ans = 0;
char battle(char a, char b){
if(a == b) return a;
else{
string s = "";
s.push_back(a);
s.push_back(b);
sort(s.begin(), s.end());//PRS
if(s == "PR") return 'P';
else if(s == "PS") return 'S';
else return 'R';
}
}
string winner(string s){
string ret = "";
for(int i=0; i<s.size(); i += 2){
ret.push_back(battle(s[i], s[i+1]));
}
return ret;
}
void Main(){
int n, k;
string s;
cin >> n >> k >> s;
string s2 = s;
For(i,0,k){
if(s.size() % 2 == 1)s = s + s;
s = winner(s);
}
auto ans1 = s[0];
cout << s[0] << endl;
/*
s = s2 + s2;
int pw = 1;
For(i,0,k) pw *= 2;
while(s.size() < pw) s = s + s;
while(s.size() > pw) s.pop_back();
//cout << s << endl;
while(s.size() > 1){
s = winner(s);
//cout << s << endl;
}
//string nexts = winner(s);
//cout << nexts << endl;
auto ans2 = s[0];
cout << ans1 << " " << ans2 << endl;
*/
}
int main(){
Main();
/*
東方風神録は神が出てくるので当然神ゲー
*/
return 0;
} | #include <bits/stdc++.h>
using namespace std;
#define MP make_pair
#define PB push_back
#define REP(i, L, R) for (int i = L; i < (R); ++i)
#define SZ(x) (int)x.size()
using ll = long long;
using ld = long double;
using pi = pair<int, int>;
using pl = pair<ll, ll>;
template <typename T>
bool ckmin(T &a, const T &b) { return b < a ? a = b, 1 : 0; }
template <typename T>
bool ckmax(T &a, const T &b) { return a < b ? a = b, 1 : 0; }
vector<int> compress(vector<int> &y)
{
vector<int> v(y);
sort(v.begin(), v.end());
v.erase(unique(v.begin(), v.end()), v.end());
for (int i = 0; i < SZ(y); ++i)
{
y[i] = lower_bound(v.begin(), v.end(), y[i]) - v.begin();
}
return v;
}
struct bit
{
int n;
vector<ll> v;
void init(int sz)
{
n = sz;
v.assign(n + 1, 0);
}
// sum([0..i])
ll prefix_sum(int i)
{
// internally we use 1-based index
int _i = i + 1;
ll s = 0LL;
while (_i)
{
s += v[_i];
_i -= (_i & -_i);
}
return s;
}
// sum([i..end])
ll suffix_sum(int i)
{
if (i == 0)
{
return prefix_sum(n - 1);
}
return prefix_sum(n - 1) - prefix_sum(i - 1);
}
void incr(int i, ll a)
{
// internally we use 1-based indexing
int _i = i + 1;
while (_i <= n)
{
v[_i] += a;
_i += (_i & -_i);
}
}
};
const int MAXN = 200005;
void solve()
{
int n, m, q;
cin >> n >> m >> q;
vector<int> t(q + 1), x(q + 1), y(q + 1, 0);
vector<int> a(n, 0), b(m, 0);
REP(i, 1, q + 1)
{
cin >> t[i] >> x[i] >> y[i];
--x[i]; // 0-based index
}
auto vy = compress(y);
// NOTE 1(coordinate compression): after compression, y is compressed to [0, q] and vy maps from a compressed y in [0,q] to its original value.
// r1[i] = #i in b; r2[i] = sum of all i's in b.
// c1[i] = #i in a; c2[i] = sum of all i's in a.
bit r1, r2, c1, c2;
r1.init(MAXN);
r2.init(MAXN);
c1.init(MAXN);
c2.init(MAXN);
// Initially, all b are 0
r1.incr(0, m);
// Initially, all a are 0
c1.incr(0, n);
ll ans = 0LL;
REP(i, 1, q + 1)
{
if (t[i] == 1)
{
// a[x[i]] = y[i]
int v = a[x[i]];
ans -= vy[v] * r1.prefix_sum(v);
ans -= r2.suffix_sum(v + 1);
c1.incr(v, -1);
c2.incr(v, -vy[v]);
a[x[i]] = y[i];
c1.incr(y[i], 1);
c2.incr(y[i], vy[y[i]]);
ans += vy[y[i]] * r1.prefix_sum(y[i]);
ans += r2.suffix_sum(y[i] + 1);
}
else
{
// b[x[i]] = y[i]
int v = b[x[i]];
ans -= vy[v] * c1.prefix_sum(v);
ans -= c2.suffix_sum(v + 1);
r1.incr(v, -1);
r2.incr(v, -vy[v]);
b[x[i]] = y[i];
r1.incr(y[i], 1);
r2.incr(y[i], vy[y[i]]);
ans += vy[y[i]] * c1.prefix_sum(y[i]);
ans += c2.suffix_sum(y[i] + 1);
}
cout << ans << endl;
}
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
int T = 1;
while (T--)
{
solve();
}
return 0;
}
|
#include <bits/stdc++.h>
#include <chrono>
#include <math.h>
using namespace std;
#pragma GCC optimize("-O3")
#define endl "\n"
#define mp make_pair
#define st first
#define nd second
#define pii pair<int, int>
#define pb push_back
#define _upgrade ios_base::sync_with_stdio(0), cout.setf(ios::fixed), cout.precision(12), cin.tie(0), cout.tie(0);
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define FWD(i, a, b) for (int i = (a); i < (b); ++i)
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define fwd(i, a, b) for (int i = (a); i < (b); ++i)
#define all(c) (c).begin(), (c).end()
#define sz(X) (int)((X).size())
#define what(x) cerr << #x << " is " << x << endl;
ostream &operator<<(ostream &out, string str) {
for (char c : str)
out << c;
return out;
}
template <class L, class R> ostream &operator<<(ostream &out, pair<L, R> p) { return out << "(" << p.st << ", " << p.nd << ")"; }
template <class T> auto operator<<(ostream &out, T a) -> decltype(a.begin(), out) {
out << '{';
for (auto it = a.begin(); it != a.end(); it = next(it))
out << (it != a.begin() ? ", " : "") << *it;
return out << '}';
}
void dump() { cerr << "\n"; }
template <class T, class... Ts> void dump(T a, Ts... x) {
cerr << a << ", ";
dump(x...);
}
#define debug(...) cerr << "[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__)
int n;
string S, T;
int32_t main() {
_upgrade;
cin >> n >> S >> T;
// reverse(all(S));
// reverse(all(T));
long long cnt = 0;
queue<int> plus;
rep(i, n) {
if (S[i] == '0' && T[i] == '1') {
plus.push(i);
}
if (S[i] == '1' && T[i] == '0') {
if (!plus.empty()) {
int a = plus.front();
plus.pop();
cnt += (i - a);
} else
plus.push(i);
}
}
if (!plus.empty()) {
cout << -1 << endl;
return 0;
}
cout << cnt << endl;
} | #include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int(i)=0;i<(n);i++)
int main(){
int h,w,ans=0;
vector<string> s(11);
cin>>h>>w;
REP(i,h) cin>>s.at(i);
REP(i,h) REP(j,w){
if(s.at(i).at(j)=='#'){
int dx[4]={-1,0,1,0},dy[4]={0,1,0,-1};
bool f[4]={0,0,0,0};
REP(k,4){
if(s.at(i+dy[k]).at(j+dx[k])=='.'){
ans++;
f[k]=1;
}
}
if(s.at(i).at(j+1)=='#') REP(k,4){
if(s.at(i+dy[k]).at(j+1+dx[k])=='.'&&f[k]) ans--;
}
if(s.at(i+1).at(j)=='#') REP(k,4){
if(s.at(i+1+dy[k]).at(j+dx[k])=='.'&&f[k]) ans--;
}
}
}
cout<<ans<<endl;
}
|
#include"bits/stdc++.h"
using namespace std;
#define int long long
#define fio ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define endl '\n'
#define mod 1000000007
int power(int n, int k) {
if (k == 0) {
return 1;
}
int curr = power(n, k / 2);
if (k % 2 == 0) {
return ((curr % mod * curr % mod) % mod);
}
else {
return ((n % mod * curr % mod * curr % mod) % mod);
}
}
int min(int a, int b) {
if (a < b)
return a;
else
return b;
}
bool compare(int a, int b) {
return a > b;
}
int32_t main() {
fio;
int a, b, c;
cin >> a >> b >> c;
if (a == b) {
cout << c << endl;
}
else if (b == c) {
cout << a << endl;
}
else if (a == c) {
cout << b << endl;
}
else {
cout << "0" << endl;
}
return 0;
} | #include<bits/stdc++.h>
#define pb push_back
#define pf push_front
#define f1 first
#define f2 second
#define ll long long
#define pii pair<int,int>
#define fastio() cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(false) //no scanf
#define fileio(code) freopen("code.in","r",stdin);freopen("code.out","w",stdout) //file name
using namespace std;
ll t,x,y,z,n;
bool ff(int a,int b,int c,int d){
if((a-b==c-d) || (a+b==c+d) || (abs(a-c)+abs(b-d)<4)) return true;
return false;
}
char ch;
int32_t main(){
fastio();
//fileio(code);
cin>>x>>y>>z>>t;
if(x==z && y==t) cout<<"0";
else if(ff(x,y,z,t)) cout<<"1";
else if(ff(x-3,y,z,t)) cout<<"2";
else if(ff(x-2,y-1,z,t)) cout<<"2";
else if(ff(x-2,y,z,t)) cout<<"2";
else if(ff(x-2,y+1,z,t)) cout<<"2";
else if(ff(x-1,y-2,z,t)) cout<<"2";
else if(ff(x-1,y-1,z,t)) cout<<"2";
else if(ff(x-1,y,z,t)) cout<<"2";
else if(ff(x-1,y+1,z,t)) cout<<"2";
else if(ff(x-1,y+2,z,t)) cout<<"2";
else if(ff(x,y-3,z,t)) cout<<"2";
else if(ff(x,y-2,z,t)) cout<<"2";
else if(ff(x,y-1,z,t)) cout<<"2";
else if(ff(x,y+1,z,t)) cout<<"2";
else if(ff(x,y+2,z,t)) cout<<"2";
else if(ff(x,y+3,z,t)) cout<<"2";
else if(ff(x+1,y-2,z,t)) cout<<"2";
else if(ff(x+1,y-1,z,t)) cout<<"2";
else if(ff(x+1,y,z,t)) cout<<"2";
else if(ff(x+1,y+1,z,t)) cout<<"2";
else if(ff(x+1,y+2,z,t)) cout<<"2";
else if(ff(x+2,y-1,z,t)) cout<<"2";
else if(ff(x+2,y,z,t)) cout<<"2";
else if(ff(x+2,y+1,z,t)) cout<<"2";
else if(ff(x+3,y,z,t)) cout<<"2";
else if((abs(x-z)+abs(y-t))%2==0) cout<<"2";
else cout<<"3";
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
int main(){
long double n;cin>>n;
long double ans=0;
for(int i=1;i<n;i++)ans+=n/i;
cout<<setprecision(16)<<ans<<endl;
} | #include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <climits>
#include <cstring>
#include <cassert>
using namespace std;
//using namespace atcoder;
#define REP(i, n) for (int i=0; i<(n); ++i)
#define RREP(i, n) for (int i=(int)(n)-1; i>=0; --i)
#define FOR(i, a, n) for (int i=(a); i<(n); ++i)
#define RFOR(i, a, n) for (int i=(int)(n)-1; i>=(a); --i)
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(),(x).end()
#define DUMP(x) cerr<<#x<<" = "<<(x)<<endl
#define DEBUG(x) cerr<<#x<<" = "<<(x)<<" (L"<<__LINE__<<")"<<endl;
template<class T>
ostream &operator<<(ostream &os, const vector<T> &v) {
os << "[";
REP(i, SZ(v)) {
if (i) os << ", ";
os << v[i];
}
return os << "]";
}
template<class T, class U>
ostream &operator<<(ostream &os, const pair<T, U> &p) {
return os << "(" << p.first << " " << p.second << ")";
}
template<class T>
bool chmax(T &a, const T &b) {
if (a < b) {
a = b;
return true;
}
return false;
}
template<class T>
bool chmin(T &a, const T &b) {
if (b < a) {
a = b;
return true;
}
return false;
}
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using P = pair<int, int>;
using vi = vector<int>;
using vll = vector<ll>;
using vvi = vector<vi>;
using vvll = vector<vll>;
const ll MOD = 1e9 + 7;
const int INF = INT_MAX / 2;
const ll LINF = LLONG_MAX / 2;
const ld eps = 1e-9;
// edit
void solve() {
int N;
cin >> N;
vector<ld> dp(N + 1);
dp[N] = 0;
for (int x = N - 1; x >= 0; --x) {
dp[x] = dp[x + 1] + 1. * N / (N - x);
}
// cout << dp << endl;
cout << dp[1] << endl;
}
int main() {
cin.tie(0);
ios::sync_with_stdio(false);
cout << fixed << setprecision(10);
// std::ifstream in("input.txt");
// std::cin.rdbuf(in.rdbuf());
solve();
return 0;
}
|
#include<bits/stdc++.h>
#define pi 3.141592653589793238
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define MOD 1000000007
#define INF 999999999999999999
#define pb push_back
#define ff first
#define ss second
#define mt make_tuple
#define ll long long
#define fast ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
typedef tree<ll, null_type, less_equal<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
const int N = 5e3 + 1;
ll n, m;
ll p[N][N];
ll d[N][N];
ll s[N];
int main() {
//freopen("input.txt", "r", stdin);
//freopen("output.txt", "w", stdout);
fast;
ll T = 1, i, j;
//cin >> T;
while (T--) {
ll mod = 998244353;
cin >> n >> m;
if(m == 1){
cout << 1 << endl;
return 0;
}
p[0][0] = 1;
for(i = 1; i <= m; i++){
p[i][0] = 1;
for(j = 1; j <= n; j++){
p[i][j] = (p[i][j - 1] * i) % mod;
}
}
for(i = 2; i <= n; i++){
for(j = 1; j <= m; j++){
d[i][j] = p[m - 1][i - 2] - p[m - j][i - 2];
d[i][j] %= mod;
d[i][j] += mod;
d[i][j] %= mod;
}
}
for(i = 1; i <= m; i++){
for(j = 2; j <= n; j++){
s[j] += d[j][i];
s[j] %= mod;
}
}
vector<ll> dp(n + 1);
dp[1] = m;
for(i = 2; i <= n; i++){
//cout << i << "##\n";
dp[i] += m * dp[i - 1];
//cout << dp[i] << endl;
dp[i] %= mod;
dp[i] += m * (p[m - 1][i - 1]);
dp[i] %= mod;
// for(j = 1; j <= m; j++){
// dp[i] += (p[m - 1][i - 1]);
// ll l = 0;
// for(ll k = i - 1; k >= 1; k--){
// dp[i] += (p[m][k - 1]) * (p[m - 1][l] - p[m - j][l]);
// dp[i] %= mod;
// l++;
// }
// //cout << dp[i] << endl;
// }
for(j = i - 1; j >= 1; j--){
dp[i] += p[m][j - 1] * s[i - j + 1];
dp[i] %= mod;
}
}
cout << dp[n] << endl;
}
return 0;
} | #include <bits/stdc++.h>
using namespace std;
template<int M>
struct static_mint {
static_assert(0 < M, "Module must be positive");
int val;
static_mint(): val() {}
static_mint(long long x) : val(x % M) { if (val < 0) val += M; }
static_mint pow(long long n) const { static_mint ans = 1, x(*this); while (n) { if (n & 1) ans *= x; x *= x; n /= 2; } return ans; }
static_mint inv() const { return pow(M - 2); }
friend static_mint pow(const static_mint &m, long long n) { return m.pow(n); }
friend static_mint inv(const static_mint &m) { return m.inv(); }
static_mint operator+() const { static_mint m; m.val = val; return m; }
static_mint operator-() const { static_mint m; m.val = M - val; return m; }
static_mint &operator+=(const static_mint &m) { if ((val += m.val) >= M) val -= M; return *this; }
static_mint &operator-=(const static_mint &m) { if ((val -= m.val) < 0) val += M; return *this; }
static_mint &operator*=(const static_mint &m) { val = (long long) val * m.val % M; return *this; }
static_mint &operator/=(const static_mint &m) { val = (long long) val * m.inv().val % M; return *this; }
friend static_mint operator+ (const static_mint &lhs, const static_mint &rhs) { return static_mint(lhs) += rhs; }
friend static_mint operator- (const static_mint &lhs, const static_mint &rhs) { return static_mint(lhs) -= rhs; }
friend static_mint operator* (const static_mint &lhs, const static_mint &rhs) { return static_mint(lhs) *= rhs; }
friend static_mint operator/ (const static_mint &lhs, const static_mint &rhs) { return static_mint(lhs) /= rhs; }
friend bool operator==(const static_mint &lhs, const static_mint &rhs) { return lhs.val == rhs.val; }
friend bool operator!=(const static_mint &lhs, const static_mint &rhs) { return lhs.val != rhs.val; }
static_mint &operator++() { return *this += 1; }
static_mint &operator--() { return *this -= 1; }
static_mint operator++(int) { static_mint result(*this); *this += 1; return result; }
static_mint operator--(int) { static_mint result(*this); *this -= 1; return result; }
template <typename T> explicit operator T() const { return T(val); }
friend std::ostream &operator<<(std::ostream &os, const static_mint &m) {
return os << m.val;
}
friend std::istream &operator>>(std::istream &is, static_mint &m) {
long long x; is >> x; m = x;
return is;
}
};
template <typename>
struct is_mint : public std::false_type { };
template <int M>
struct is_mint<static_mint<M>> : public std::true_type { };
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
using mint = static_mint<998244353>;
int n, m;
cin >> n >> m;
vector<vector<mint>> pw(m + 1, vector<mint>(n + 1));
for (int i = 0; i <= m; i++) {
pw[i][0] = 1;
for (int j = 1; j <= n; j++) {
pw[i][j] = i * pw[i][j - 1];
}
}
mint ans = n * pw[m][n];
for (int l = 2; l <= n; l++) {
mint temp = 0;
for (int x = 1; x <= m; x++) {
temp += pw[m - x][l - 2];
}
ans -= (n - l + 1) * temp * pw[m][n - l];
}
cout << ans << '\n';
return 0;
} |
#include<bits/stdc++.h>
#define int unsigned long long
#define all(x) begin(x), end(x)
#define SZ(x) ((int)(x).size())
#define EB emplace_back
#define PB push_back
#define PP pop_back
#define MP make_pair
#define F first
#define S second
#define de(x) if(x && x == MODE)
#define MODE 1
using namespace std;
typedef pair<int, int> pii;
const int INF = 1e18;
const int maxn = 1e5 + 7;
int n;
int chk(int x) {
return x * (x + 1) <= (n+1) * 2;
}
int bs(int l, int r) {
if (l == r)
return l;
int m = (l + r + 1) / 2;
if (chk(m))
return bs(m, r);
else
return bs(l, m-1);
}
int32_t main() {
int i,j;
cin >> n;
int ans = (n + 1) - bs(1, 1e10);
printf("%llu\n", ans);
return 0;
}
//
// ___ ___ __________ __________
// /////\ \/\ ______\/\\\\\\\\\\\ Code by ~Ice Tea~ of
// //// \ \ \ \ \_____/\ \\\\_____/ New Empire of CHSH ...
// //// \ \ \ \ \ \ \\\\\\\\\\\
// ////__ \ \ \ \ \ \ \\\\_____/
// ///////\ \ \ \ \ \______\ \\\\_______ ________
// ////____/ \ \__\ \___ ___\ \\\\\\\\\\\ _\ ___ \_
// /__/ \/__/\/__/\ \__/\ \\\\_____//\ .\_/\_ \
// \ \ \ \ \\\\\\\\\\\\ \_\/_\ \
// ... with the AC Power of \ \ \ \ \\\\_____/ \ _____ \
// The Great Tsundere Doggy. \ \ \ \ \\\\ \ \ \ \ \ \
// \ \__\ \ \\\\\\\\\\ \__\ \ \__\
// \/__/ \/________/\/__/ \/__/
//
| #include<bits/stdc++.h>
#define ll long long
#define pb push_back
#define lowbit(x) ((x)&(-(x)))
#define mid ((l+r)>>1)
#define lson rt<<1, l, mid
#define rson rt<<1|1, mid+1, r
#define fors(i, a, b) for(int i = (a); i < (b); ++i)
#define all(vec) vec.begin(),vec.end()
using namespace std;
const int maxn = 1e5 + 5;
int n;
char s[maxn];
int a[maxn];
int main()
{
cin>>n;
scanf("%s",s+1);
n++; int k = 1e5;
fors(i,1,n+1) scanf("%d", &a[i]);
fors(i,1,n) k = min(k, abs(a[i]-a[i+1]));
cout<<k<<endl;
fors(i,0,k){
fors(j,1,n+1) cout<<a[j]/k + (i < a[j]%k)<<" \n"[j==n];
}
}
|
#include <bits/stdc++.h>
#define FASTIO
using namespace std;
using ll = long long;
using Vi = std::vector<int>;
using Vl = std::vector<ll>;
using Pii = std::pair<int, int>;
using Pll = std::pair<ll, ll>;
constexpr int I_INF = std::numeric_limits<int>::max();
constexpr ll L_INF = std::numeric_limits<ll>::max();
template <typename T1, typename T2>
inline bool chmin(T1& a, const T2& b) {
if (a > b) {
a = b;
return true;
}
return false;
}
template <typename T1, typename T2>
inline bool chmax(T1& a, const T2& b) {
if (a < b) {
a = b;
return true;
}
return false;
}
class Prints {
private:
class __Prints {
public:
__Prints(const char* sep, const char* term) : sep(sep), term(term) {}
template <class... Args>
auto operator()(const Args&... args) const -> decltype((std::cout << ... << std::declval<Args>()), void()) { print(args...); }
template <typename T>
auto pvec(const T& vec, size_t sz) const -> decltype(std::cout << std::declval<decltype(std::declval<T>()[0])>(), void()) {
for (size_t i = 0; i < sz; i++)
std::cout << vec[i] << (i == sz - 1 ? term : sep);
}
template <typename T>
auto pmat(const T& mat, size_t h, size_t w) -> decltype(std::cout << std::declval<decltype(std::declval<T>()[0][0])>(), void()) {
for (size_t i = 0; i < h; i++)
for (size_t j = 0; j < w; j++)
std::cout << mat[i][j] << (j == w - 1 ? term : sep);
}
private:
const char *sep, *term;
void print() const { std::cout << term; }
void print_rest() const { std::cout << term; }
template <class T, class... Tail>
void print(const T& head, const Tail&... tail) const { std::cout << head, print_rest(tail...); }
template <class T, class... Tail>
void print_rest(const T& head, const Tail&... tail) const { std::cout << sep << head, print_rest(tail...); }
};
public:
Prints() {}
__Prints operator()(const char* sep = " ", const char* term = "\n") const { return __Prints(sep, term); }
};
Prints prints;
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
void solve() {
int N;
cin >> N;
ll ans = 0;
for (ll i = 0; i < N; i++) {
ll a, b;
cin >> a >> b;
ans += (a + b) * (b - a + 1) / 2;
}
prints()(ans);
}
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
int main() {
#ifdef FASTIO
std::cin.tie(nullptr), std::cout.tie(nullptr);
std::ios::sync_with_stdio(false);
#endif
#ifdef FILEINPUT
std::ifstream ifs("./in_out/input.txt");
std::cin.rdbuf(ifs.rdbuf());
#endif
#ifdef FILEOUTPUT
std::ofstream ofs("./in_out/output.txt");
std::cout.rdbuf(ofs.rdbuf());
#endif
std::cout << std::setprecision(18) << std::fixed;
solve();
std::cout << std::flush;
return 0;
} | #include<bits/stdc++.h>
using namespace std;
#define int long long int
#define vi vector<int>
#define pb push_back
#define ff first
#define ss second
#define ppi pair<int,int>
#define forn(i,n) for(int i=0;i<n;i++)
#define M 1000000007
#define all(x) x.begin(), x.end()
#define fastio ios_base::sync_with_stdio(false);cin.tie(0)
int ps[1000007];
void solve() {
int n;
cin >> n;
vi v;
for (int i = 1; i < 1000007; i++) {
v.pb(i);
}
ps[0] = v[0];
for (int i = 1; i < 1000001; i++) {
ps[i] = ps[i - 1] + v[i];
}
int ans = 0;
while (n--) {
int x, y;
cin >> x >> y;
int t = x;
x--;
y--;
ans += (t + (ps[y] - ps[x]));
// cout << ans << endl;
}
cout << ans << endl;
}
int32_t main() {
fastio;
#ifndef ONLINE_JUDGE
freopen("input1.txt", "r", stdin);
freopen("output1.txt", "w", stdout);
#endif
solve();
return 0;
} |
#include<bits/stdc++.h>
using namespace std;
int main()
{
int a;
cin>>a;
cout<<a-1;
} | #include <bits/stdc++.h>
using namespace std;
int main() {
char A,B,C;
cin>>A>>B>>C;
if (A==B&&B==C)
cout <<"Won" << endl;
else
cout<<"Lost"<< endl;
} |