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#include <bits/stdc++.h> #define fi first #define se second #define rep(i,n) for(int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) #define drep(i,n) for(int i = (n)-1; i >= 0; --i) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define pb push_back #define eb emplace_back #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define uni(x) x.erase(unique(rng(x)),x.end()) #define snuke srand((unsigned)clock()+(unsigned)time(NULL)); #define show(x) cerr<<#x<<" = "<<x<<endl; #define PQ(T) priority_queue<T,v(T),greater<T> > #define bn(x) ((1<<x)-1) #define dup(x,y) (((x)+(y)-1)/(y)) #define newline puts("") #define v(T) vector<T> #define vv(T) v(v(T)) using namespace std; typedef long long int ll; typedef unsigned uint; typedef unsigned long long ull; typedef pair<int,int> P; typedef tuple<int,int,int> T; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; typedef vector<T> vt; int getInt(){int x;scanf("%d",&x);return x;} template<typename T>istream& operator>>(istream&i,v(T)&v){rep(j,sz(v))i>>v[j];return i;} template<typename T>string join(const v(T)&v){stringstream s;rep(i,sz(v))s<<' '<<v[i];return s.str().substr(1);} template<typename T>ostream& operator<<(ostream&o,const v(T)&v){if(sz(v))o<<join(v);return o;} template<typename T1,typename T2>istream& operator>>(istream&i,pair<T1,T2>&v){return i>>v.fi>>v.se;} template<typename T1,typename T2>ostream& operator<<(ostream&o,const pair<T1,T2>&v){return o<<v.fi<<","<<v.se;} template<typename T>bool mins(T& x,const T&y){if(x>y){x=y;return true;}else return false;} template<typename T>bool maxs(T& x,const T&y){if(x<y){x=y;return true;}else return false;} template<typename T>ll suma(const v(T)&a){ll res(0);for(auto&&x:a)res+=x;return res;} const double eps = 1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("-1"); return 0;} #define yn {puts("Yes");}else{puts("No");} const int MX = 3005; // Mod int const int mod = 998244353; struct mint { ll x; mint():x(0){} mint(ll x):x((x%mod+mod)%mod){} // mint(ll x):x(x){} mint& fix() { x = (x%mod+mod)%mod; return *this;} mint operator-() const { return mint(0) - *this;} mint operator~() const { return mint(1) / *this;} 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){ (x*=a.pow(mod-2).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 operator/(const mint& a)const{ return mint(*this) /= a;} mint pow(ll t) const { if(!t) return 1; mint res = pow(t/2); res *= res; return (t&1)?res*x:res; } bool operator<(const mint& a)const{ return x < a.x;} bool operator==(const mint& a)const{ return x == a.x;} }; mint ex(mint x, ll t) { return x.pow(t);} istream& operator>>(istream&i,mint&a){i>>a.x;return i;} ostream& operator<<(ostream&o,const mint&a){o<<a.x;return o;} typedef vector<mint> vm; struct comb { vm f, g; comb(){} comb(int mx):f(mx+1),g(mx+1) { f[0] = 1; rrep(i,mx) f[i] = f[i-1]*i; g[mx] = f[mx].pow(mod-2); for(int i=mx;i>0;i--) g[i-1] = g[i]*i; } mint operator()(int a, int b) { if (a < b) return 0; return f[a]*g[b]*g[a-b]; } }; // mint dp[MX][MX]; int main() { int n,k; scanf("%d%d",&n,&k); dp[0][0] = 1; rep(i,n+1)drep(j,n+1) { dp[i+1][j+1] += dp[i][j]; if (j%2 == 0) dp[i][j/2] += dp[i][j]; } cout<<dp[n][k]<<endl; return 0; }
#include<iostream> using namespace std; #define int long long const int N=1e4; const int MOD=998244353; /** * 设f[i][j]为用i个数凑出j的方案数 * 则有: * f[i][j]=f[i-1][j-1]+f[i][2*j] * f[i][j]=0 (j>i) * */ int f[N][2*N]; int n,m; signed main(){ cin>>n>>m; f[0][0]=1; for(int i=1;i<=n;i++) for(int j=i;j>=1;j--) f[i][j]=(f[i-1][j-1]+f[i][2*j])%MOD; cout<<f[n][m]<<endl; // system("pause"); }
#include <bits/stdc++.h> # define rep(i,l,n) for(int i=l,i##_end=n;i<i##_end;++i) # define rrep(i,n,l) for(int i=((int)(n)-1),i##_end=l;i>=i##_end;--i) # define ALL(x) (x).begin(), (x).end() # define SZ(x) ((int)(x).size()) # define pb push_back using namespace std; using ll = 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; } int main() { // 1. input ll N; cin>>N; // 2. ll ans = 0; ans += max(0LL,N - 999); ans += max(0LL,N - 999'999); ans += max(0LL,N - 999'999'999); ans += max(0LL,N - 999'999'999'999); ans += max(0LL,N - 999'999'999'999'999); // 3. output cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define mp make_pair #define pb push_back #define ppb pop_back #define all(x) (x).begin(),(x).end() #define int long long #define double long double void solve() { int n; cin >> n; int count = 0; int i = 0; for (i = 1000; i <= n; i *= 1000) { count += n - i + 1 ; } cout << count << "\n"; } signed main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE // for getting input from input.txt freopen("input.txt", "r", stdin); // for writing output to output.txt freopen("output.txt", "w", stdout); #endif int t = 1; //cin >> t; while (t-- > 0) { solve(); } return 0; }
/*input 37 450 */ #include <bits/stdc++.h> using namespace std; #define fast ios::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define pb push_back #define endl "\n" #define sp " " #define all(v) v.begin(),v.end() #define makepr(a,b) make_pair(a, b) #define loop(i,k,n) for(ll i=k;i<n;i++) #define rlop(i,n,k) for(ll i=n-1;i>=k;i--) #define lop(i ,a) for(auto i : a) #define vecl vector<ll> #define vecprl vector<pair<ll, ll> > v; #define mpll map<ll, ll> #define mpsl map<string, ll> #define prll pair<ll, ll> #define setl set<ll> #define mod(a,b) a%b typedef long long ll; typedef long double ld; int main() { fast; int n , m; cin >> n>> m; float k = n*1.0/100; cout<<m*k<<endl; return 0; }
#include <iostream> using namespace std; int main(){ float a,b; cin >> a >> b; cout << b/100 * a; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { long long X, Y, A, B; cin >> X >> Y >> A >> B; long long ans = 0; while (X < Y) { if (X < Y / (double)A && X < Y - B) { if (X * A < X + B) { ans++; X *= A; } else { ans += (X * A - X) / B; X += (X * A - X) / B * B; } } else if (X < Y / (double)A) { ans++; X *= A; } else if (X < Y - B) { ans += (Y - X - 1) / B; X += (Y - X - 1) / B * B; } else { break; } } cout << ans << endl; }
/*/ Author: _Math.man /*/ #include<bits/stdc++.h> using namespace std; /*/---------------------------Defines-----------------------------------------/*/ #pragma GCC optimize("Ofast") #define int long long #define IOS ios_base::sync_with_stdio(false);cin.tie(NULL); #define pb push_back #define eb emplace_back #define fn for(int i =0 ;i <n;i++) #define fn1 for( int i =1;i<=n; i++) #define fm for(int j =0 ;j <m;j++) #define fm1 for(int j =1;j<=m;j++) #define fi first #define se second #define endl '\n' #define PI 3.14159265358979323846 #define MOD 1000000007 #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() const int N = 2e6+5; const int INF = 1e18L; //mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); /*/-----------------------------Debug begins----------------------------------/*/ vector<string> split(const string& s, char c) { vector<string> v; stringstream ss(s); string x; while (getline(ss, x, c)) v.emplace_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] << ","; if(n>0) s << arr[n - 1] ; s<< "]"; return s.str(); } #define trace(args...) {__trace_begin(__LINE__); __trace(split(#args, ',').begin(), args);} inline void __trace_begin(int line) { cerr << "#" << line << ": "; } template<typename T> inline void __trace_out_var(vector<T> val) { cerr << arrStr(val, val.size()); } template<typename T> inline void __trace_out_var(T* val) { cerr << arrStr(val, 10); } template<typename T> inline void __trace_out_var(T val) { cerr << val; } inline void __trace(vector<string>::iterator it) { cerr << endl; } template<typename T, typename... Args> inline void __trace(vector<string>::iterator it, T a, Args... args) { cerr << it->substr((*it)[0] == ' ', it->length()) << "="; __trace_out_var(a); cerr << "; "; __trace(++it, args...); } /*/-----------------------------Code begins----------------------------------/*/ int ar[N]; int dp[N]; signed main(){ #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif IOS; int T=1; // cin >> T; for(int i =1;i<=T;i++){ int x,y,a,b; cin>>x>>y>>a>>b; int ans = 0; while(x < 2*INF/a && x<y/a && x*a <= x+ b)++ans,x*=a; ans+=(y-x-1)/b; cout <<ans; } return 0; }
#include <bits/stdc++.h> #define REP(i, n) for(int i = 0; i < (n); i++) #define REP1(i, n) for(int i = 1; i <= (n); i++) #define REPD(i,a,b) for (int i=(a);i<=(b);i++) #define ALL(v) (v).begin(), (v).end() using namespace std; typedef long long ll; typedef double d; typedef long double ld; typedef vector<string> vs; typedef vector<bool> vb; typedef vector<vb> vvb; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<d> vd; typedef vector<ld> vld; typedef set<int> si; typedef vector<si> vsi; typedef vector<ll> vll; typedef vector<vll> vvll; typedef pair<int, int> pi; typedef queue<int> qi; typedef queue<pi> qpi; typedef pair<ll, ll> pll; typedef queue<pll> qpll; typedef vector<pi> vpi; typedef vector<pll> vpll; const int mod = 1000000007; const int INF = 1001001001; // 小数点 << fixed << setprecision(0) << // sort降順 sort(ALL(),greater<int>()); // 円周率 M_PI // 文字判定 isupper islower // 文字変換  // 順列 do {} while(next_permutation(ALL(X))); // 最大値 LLONG_MAX // a内でx以上 auto iter = lower_bound(ALL(a), x); // a内でxより大きい auto iter = upper_bound(ALL(a), x); int dx[8] = {1, 0, -1, 0, 1, 1, -1, -1}; int dy[8] = {0, 1, 0, -1, 1, -1, 1, -1}; struct edge { int from; //出発点 int to; //到達点 int cost; //移動コスト }; typedef struct edge se; typedef vector<edge> ve; unsigned Euclidean_gcd(unsigned a, unsigned b) { if(a < b) return Euclidean_gcd(b, a); unsigned r; while ((r=a%b)) { a = b; b = r; } return b; } int digit_sum(int n) { int sum=n%10; while(n!=0) { n/=10; sum+=n%10; } return sum; } vpll PrimeFactorization(ll n) { vpll res; for (ll i=2; i*i<=n; i++) { if(n%i!=0) continue; ll ex=0; while(n%i==0) { ex++; n/=i; } res.push_back(pll(i,ex)); } if(n!=1) res.push_back(pll(n,1)); return res; } int main() { int n,a,b; cin >> n >> a >> b; cout << n+b-a << endl; }
#include<iostream> #include<vector> #include<algorithm> #include<string> #include<cmath> using namespace std; int main(){ float X, Y, Z; cin >> X >> Y >> Z; float res = Z*Y / X; if(res == floor(res)) cout << res - 1 << endl; else cout << floor(res) << endl; }
#include <math.h> #include <bits/stdc++.h> using namespace std; #define rep(i, l, n) for (int i = (l); i < (n); i++) #define max(p, q) ((p) > (q) ? (p) : (q)) #define min(p, q) ((p) < (q) ? (p) : (q)) #define mod using ll = long long; using P = pair<int, int>; template <class T> using V = vector<T>; template <class T> using VV = V<V<T> >; const ll INF = 1e18 + 1; int main() { int n; cin >> n; VV<ll> c(n, V<ll>(n)); V<ll> a(n), b(n); rep(i, 0, n) rep(k, 0, n) cin >> c[i][k]; a[0] = 0; b[0] = c[0][0]; rep(i, 1, n) { a[i] = c[0][i] - c[0][i - 1] + a[i - 1]; b[i] = c[i][0] - c[i - 1][0] + b[i - 1]; } int j = 0; rep(i, 0, n) rep(k, 1, n) { if (a[k] - a[k - 1] != c[i][k] - c[i][k - 1]) j++; if (b[k] - b[k - 1] != c[k][i] - c[k - 1][i]) j++; } if (j != 0) cout << "No" << endl; else { cout << "Yes" << endl; ll ma = INF, mb = INF; rep(i, 0, n) { ma = min(ma, a[i]); mb = min(mb, b[i]); } if (ma < 0) { rep(i, 0, n) { a[i] += -ma; b[i] += ma; } } if (mb < 0) rep(i, 0, n) { b[i] += -mb; a[i] += mb; } rep(i, 0, n) cout << b[i] << " "; cout << endl; rep(i, 0, n) cout << a[i] << " "; cout << endl; } return 0; }
#include<iostream> #include<algorithm> #include<vector> #include<map> #include<set> #include<string> #include<cstring> #include<queue> #include<stack> #include<numeric> using namespace std; #define INF (1 << 30) - 1 #define LINF 1LL << 60 const int MOD = 1000000007; using ll = long long; using P = pair<int, int>; int main(){ int n; cin >> n; vector<vector<int>> c(n, vector<int>(n)); vector<int> a(n), b(n); for(int i = 0; i < n; i++){ for(int j = 0; j < n; j++){ cin >> c[i][j]; } } int m = INF; for(int i = 0; i < n; i++)m = min(m, c[i][0]); for(int i = 0; i < n; i++)a[i] = c[i][0] - m; for(int i = 0; i < n; i++)b[i] = c[0][i] - a[0]; for(int i = 0; i < n; i++){ for(int j = 0; j < n; j++){ if(c[i][j] != a[i] + b[j]){ cout << "No" << endl; return 0; } } } cout << "Yes" << endl; for(int i = 0; i < n; i++)cout << a[i] << " "; cout << endl; for(int i = 0; i < n; i++)cout << b[i] << " "; cout << endl; return 0; }
#include <iostream> #include <vector> //#include <string> //#include <algorithm> //#include <math.h> #include <queue> //#include <stack> #include <iomanip> // sometimes used //#include <set> //#include <map> //#include <numeric> //#include <list> //#include <deque> //#include <unordered_map> typedef long long LL; typedef long double LD; using namespace std; //#define MOD 1000000007 //#define MOD 998244353 //#define MAX 200100 //#define NIL -1 //#define INFTY 1000000000000000000 vector<vector<vector<LD>>> abc(101, vector<vector<LD>>(101, vector<LD>(101, 0))); vector<vector<vector<bool>>> is_visit(101, vector<vector<bool>>(101, vector<bool>(101, false))); void bfs(pair<LL, pair<LL, LL>> s){ queue<pair<LL, pair<LL, LL>>> q; q.push(s); pair<LL, pair<LL, LL>> u; while(!q.empty()){ u=q.front(); q.pop(); LL a=u.first; LL b=u.second.first; LL c=u.second.second; //cout << a << " " << b << " " << c << endl; if(a!=0){ abc[a+1][b][c]+=abc[a][b][c]*a/(a+b+c); //cout << a+1 << " " << b << " " << c << endl; if(a+1<100 && is_visit[a+1][b][c]==false){ is_visit[a+1][b][c]=true; q.push(make_pair(a+1, make_pair(b,c))); } } if(b!=0){ abc[a][b+1][c]+=abc[a][b][c]*b/(a+b+c); if(b+1<100 && is_visit[a][b+1][c]==false){ is_visit[a][b+1][c]=true; q.push(make_pair(a, make_pair(b+1,c))); } } if(c!=0){ abc[a][b][c+1]+=abc[a][b][c]*c/(a+b+c); //cout << abc[a][b][c] << " " << abc[a][b][c+1] << endl; if(c+1<100 && is_visit[a][b][c+1]==false){ is_visit[a][b][c+1]=true; q.push(make_pair(a, make_pair(b,c+1))); } } } } int main(){ LL a; LL b; LL c; cin >> a >> b >> c; abc[a][b][c]=1; is_visit[a][b][c]=true; bfs(make_pair(a, make_pair(b, c))); LD ans=0; for(LL i=0; i<100; i++){ for(LL j=0; j<100; j++){ if(i<b || j<c){ continue; } ans+=abc[100][i][j]*(LD)(100+i+j-a-b-c); } } for(LL i=0; i<100; i++){ for(LL j=0; j<100; j++){ if(i<a || j<c){ continue; } ans+=abc[i][100][j]*(LD)(100+i+j-a-b-c); } } for(LL i=0; i<100; i++){ for(LL j=0; j<100; j++){ if(i<a || j<b){ continue; } ans+=abc[i][j][100]*(LD)(100+i+j-a-b-c); } } cout << setprecision(12) << ans << endl; return 0; }
#include <bits/stdc++.h> #define fi first #define se second #define ll long long #define ld long double #define pb push_back #define pf push_front #define pi 3.14159265358979323846 const ll INF=1e18; const ll N=2e5+5; const ll MOD=1e9+7; using namespace std; double dp[105][105][105]; ll POWER(ll base,ll expo) { ll ret=1; while(expo) { if(expo&1)ret=ret*base; expo>>=1; base=base*base; } return ret; } ld fun(ll a,ll b,ll c) { if(a==100 || b==100 || c==100) return 0; if(dp[a][b][c]!=-1)return dp[a][b][c]; double tot=a+b+c; double ans=1+(a/tot)*fun(a+1,b,c)+(b/tot)*fun(a,b+1,c)+(c/tot)*(fun(a,b,c+1)); return dp[a][b][c]=ans; } int main() { ll test_case=1; //cin>>test_case; while(test_case--) { ll a,b,c; for(ll i=0;i<=100;i++){ for(ll j=0;j<=100;j++){ for(ll k=0;k<=100;k++) dp[i][j][k]=-1; } } cin>>a>>b>>c; double ans=fun(a,b,c); cout<<fixed<<setprecision(12)<<ans; } return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; const ll inf = 1e9; #define mod 1000000007 #define what_is(x) cerr<<#x<<" is "<<x<<"\n"; #define read(x) freopen("in.txt","r",stdin); #define write(x) freopen("out.txt","w",stdout); #define Fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); #define sz 3000005 int main(){ Fast;///using Fast I/O vector < ll > v; ll a,b,c, i,j,k, t,n,m, x, y; cin>>x>>y>>a>>b; i=x; v.push_back(x); while((double)i*a<y){ v.push_back(i*a); i=i*a; } ll ans=0, exp; for(i=0; i<v.size(); i++){ exp=i+(y-v[i]-1)/b; ans=max(ans, exp); } cout<<ans<<endl; return 0; }
#include <iostream> #include <iomanip> #include <utility> #include <cmath> #include <random> #include <vector> #include <map> #include <set> #include <deque> #include <queue> #include <stack> #include <string> #include <algorithm> using namespace std; #define rep(i,n) for(int i = 0; i<n; ++i) #define REP(i,n) for(int i = 1; i<=n; ++i) #define all(x) begin(x),end(x) #define show(obj) {for(auto x:obj)cout<<x<<' ';cout<<endl;} #define line "----------" typedef long long ll; typedef pair<int,int> P; typedef pair<ll,ll> LP; const int inf = 1001001000; const ll INF = 1LL<<60; const int MOD = (int)1e9 + 7; bool check(ll a, ll b, ll c, ll d){ return a+b == c+d || a-b == c-d || abs(a-c) + abs(b-d) <= 3; } int ddx[4] = {3, 0, -3, 0}; int ddy[4] = {0, -3, 0, 3}; int main(){ ll a, b,c,d; cin >>a >>b >> c >> d; int ans = 3; { if((a+b) % 2 == (c + d) % 2)ans = 2; for(int dy = -2; dy <= 2; ++dy){ for(int dx = -2; dx <= 2; ++dx){ int na = dx+a, nb = dy+b; if(check(na, nb, c, d))ans = 2; } } rep(i,4){ int na = ddx[i] + a, nb = ddy[i] + b; if(check(na, nb, c, d))ans = 2; } // for(int dy = -2; dy <= 2; ++dy){ for(int dx = -2; dx <= 2; ++dx){ int nc = dx+c, nd = dy+d; if(check(a, b, nc, nd))ans = 2; } } rep(i,4){ int nc = ddx[i] + c, nd = ddy[i] + d; if(check(a, b, nc, nd))ans = 2; } } if(check(a, b, c, d))ans = 1; if(a == c && b == d)ans = 0; cout << ans << endl; return 0; }
#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 length size() #define int long long #define ll long long #include <cstdint> 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; } const int MOD = 1000000007; const int mod = 1000000007; const int MAX = 510000; const double inf = 900719925474099; template<typename T> string join(vector<T> &vec ,const string &sp){ int si = vec.length; if(si==0){ return ""; }else{ stringstream ss; rep(i,si-1){ ss << vec[i] << sp; } ss << vec[si - 1]; return ss.str(); } } vector<vector<int>> ruiseki2d(vector<vector<int>> vec){ rep(i,vec.size()-1){ rep(j,vec[0].size()-1){ vec[i+1][j+1] = vec[i][j+1]+vec[i+1][j]-vec[i][j]+vec[i+1][j+1]; } } return vec; } vector<int> ruiseki(vector<int> vec){ rep(i,vec.size()-1){ vec[i+1] += vec[i]; } return vec; } signed main(void){ int a,b; cin >> a >> b; bool flag = false; for(int i=1;sqrt(b)>=i;i++){ if(b%i!=0) continue; if((i+(b/i))==a){ flag = true; } } cout << ((flag)?"Yes":"No") << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int64_t S, P; cin >> S >> P; for (int64_t N = 1; N * N <= P; N++) { if (P % N != 0) { continue; } int64_t M = P / N; if (N + M == S) { cout << "Yes" << endl; return 0; } } cout << "No" << endl; }
#define _USE_MATH_DEFINES #include <algorithm> #include <cmath> #include <cstdio> #include <cstdlib> #include <ctime> #include <complex> #include <deque> #include <iostream> #include <list> #include <map> #include <set> #include <stack> #include <string> #include <tuple> #include <vector> #include <queue> #define INF 1010101010LL #define INFLL 1010101010101010101LL using namespace std; int mod = 1000000007; //int mod = 998244353; class BIT { public: BIT(int n) : a(n) {} void add(int p, long long num) { while (p < a.size()) { a[p] += num; p |= p + 1; } } /* i から j までの和 [i, j] */ long long sum(int i, int j) { long long s = 0, t = 0; i--; while (i >= 0) { s += a[i]; i = (i & (i + 1)) - 1; } while (j >= 0) { t += a[j]; j = (j & (j + 1)) - 1; } return t - s; } void print() { for (int i = 0; i < a.size(); i++) { cout << a[i] << endl; } } private: vector<long long> a; }; int main() { int n; cin >> n; vector<int> a(n); vector<long long> b(n), c(n), d(n), e(n); BIT bit(n); long long t = 0; for (int i = 0; i < n; i++) { cin >> a[i]; b[i] = bit.sum(a[i] + 1, n - 1); d[i] = n - b[i] - 1; t += b[i]; bit.add(a[i], 1); } BIT bit1(n); for (int i = n - 1; i >= 0; i--) { c[i] = bit1.sum(a[i] + 1, n - 1); e[i] = n - c[i] - 1; bit1.add(a[i], 1); } for (int i = 0; i < n; i++) { cout << t << endl; t -= a[i]; t += n - 1 - a[i]; } return 0; }
#include<iostream> #include<math.h> #include<bits/stdc++.h> #include<cmath> #define ll long long int #define hell 1000000007LL using namespace std; ll power(ll x, ll y,ll z){ if(y==0) return 1; else { ll p=power(x,y/2,z); ll w=(p*p)%z; if(y%2==0) return w; else return (x*w)%z; }} ll gcd(ll x,ll y) { if(y==0) return x; else return gcd(y,x%y);} int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.precision(20); ll n; cin>>n; ll a[200]={0},c=0; for(int i=0;i<n;i++) { ll x; cin>>x; a[x%200]++; } for(int i=0;i<200;i++) { c=c+(a[i]*a[i]-a[i])/2; } cout<<c;}
#include <bits/stdc++.h> using namespace std; #define ll long long #define ford(i,a,b) for(int i=a;i<=b;i++) #define foru(i,a,b) for(int i=a;i>=b;i--) #define forv(i,a,b) for(int i=a;i<b;i++) #define f first #define s second #define pb push_back #define mp make_pair #define bug(x) cout<<x<<'\n'; #define bit(x,i) ((x>>i)&1ll) int n,x,kq=0; int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cin>>n; ford(i,1,n){ cin>>x; if(x>10) kq+=(x-10); } cout<<kq; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define ld long double #define REP(i,m,n) for(int i=(int)(m); i<(int)(n); i++) #define rep(i,n) REP(i,0,n) #define RREP(i,m,n) for(int i=(int)(m); i>=(int)(n); i--) #define rrep(i,n) RREP(i,(n)-1,0) #define all(v) v.begin(), v.end() #define endk '\n' const int inf = 1e9+7; const ll longinf = 1LL<<60; const ll mod = 1e9+7; const ll mod2 = 998244353; const ld eps = 1e-10; template<typename T1, typename T2> inline void chmin(T1 &a, T2 b){if(a>b) a=b;} template<typename T1, typename T2> inline void chmax(T1 &a, T2 b){if(a<b) a=b;} int main() { cin.tie(0); ios::sync_with_stdio(false); int n, k; cin >> n >> k; vector<int> A(n); map<int, int> cnt; rep(i, n) { cin >> A[i]; cnt[A[i]]++; } int mn = k; ll ans = 0; rep(i, n) { ans += 1LL * (mn - min(mn, cnt[i])) * i; chmin(mn, cnt[i]); } ans += mn * n; cout << ans << endk; return 0; }
#include<bits/stdc++.h> using namespace std; using ll = long long; using P = pair<int,int>; #define rep(i, n) for(int i = 0; i < n; i++) int n,m; vector<int> G[20]; bool used[20]; int col[20]; vector<int> vs; void dfs(int v) { if(used[v])return; used[v]=true; vs.push_back(v); for(int u:G[v])dfs(u); } ll now; void dfs2(int i) { if(i==vs.size()){ now++; return; } int v = vs[i]; rep(c,3){ col[v] = c; bool ok = true; for(int u:G[v]){ if(col[u]==c)ok=false; } if(!ok)continue; dfs2(i+1); } col[v]=-1; } int main() { cin >> n >> m; rep(i,m){ int a,b; cin >> a >> b; a--;b--; G[a].push_back(b); G[b].push_back(a); } ll ans = 1; memset(col,-1,sizeof(col)); rep(i,n){ if(used[i])continue; ans*=3; vs = vector<int>(); dfs(i); col[vs[0]]=0; now=0; dfs2(1); ans*=now; } cout << ans << endl; return 0; }
//----------BHAVIK DIWANI(PICT_COMP)--------------- #include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #define test ll t; cin>>t; while(t--) #define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define mod 1000000007 #define ll long long #define int long long #define ull unsigned long long #define MAX 1000005 #define pb push_back #define mkp make_pair #define vi vector<int> #define pii pair<int,int> #define endl '\n' #define vs vector<string> #define mii map<int,int> #define msi map<string,int> #define vpii vector< pair<int, int > > #define vpsi vector< pair< string ,int > > #define forci(p,q) for(int i=p;i<q;i++) #define rep(i,n) for(int i=0;i<n;i++) ll gcd(ll a,ll b){ if(b==0) return a; return gcd(b,a%b);} ll lcm(ll a,ll b) { return (a/gcd(a,b)*b);} ull power(ull a, ull b) {a %= mod; ull res = 1; while (b > 0) { if (b & 1) res = res * a % mod; a = a * a % mod; b >>= 1; } return res%mod; } ll modmul(ll x, ll y){return (x*y)%mod;} ll modadd(ll x, ll y){return (x+y)%mod;} ll modsub(ll x, ll y){return (x-y+mod)%mod;} ll fact[1000007]={0}; void facto() {fact[0]=1;fact[1]=1;for(int i=2;i<1000007;i++)fact[i]=(fact[i-1]*i)%mod;} ll ncr(ll n,ll r) {ll res=1; res=fact[n]; res=(res*(power(fact[r],mod-2)))%mod; res=(res*(power(fact[n-r],mod-2)))%mod; return res;} ll npr(ll n,ll r) {ll res=1; res=fact[n]; res=(res*(power(fact[n-r],mod-2)))%mod; return res;} inline long long toint(const std::string &s) {std::stringstream ss; ss << s; long long x; ss >> x; return x;} inline std::string tostring(long long number) {std::stringstream ss; ss << number; return ss.str();} inline std::string tobin(long long x) {return std::bitset<63>(x).to_string();} const int inf=1e9; /*bool prime[MAX]; ull sieve(){memset(prime,true,sizeof(prime));for(ull p=2;p*p<MAX;p++){if(prime[p]==true){for(ull i=2*p;i<MAX;i+=p){prime[i]=false;}}}prime[0]=0;prime[1]=0; }*/ /* int inv[1000001]={0};int invf[1000001]={0}; void findinverse(){ inv[0]=1; inv[1] = 1; for(int i = 2; i <=1e6 ; ++i) inv[i] = (mod - (mod/i) * inv[mod%i] % mod) % mod; invf[0]=1;invf[1]=1; for(int i=2;i<=1e6;i++){ invf[i]=invf[i-1]*inv[i]%mod; } }*/ using namespace std; const int N=25; int n,m; vi adj[N]; vector<bool>vis(N,false); vi g,color; void dfs(int s){ vis[s]=true; for(auto i:adj[s]){ if(!vis[i]) dfs(i); } g.pb(s); } int cnt(int idx){ if(idx==g.size()) return 1; int s=g[idx]; int res=0; for(int c=0;c<3;c++){ bool ok=true; for(auto i:adj[s]){ if(c==color[i]) ok=false; } if(ok){ color[s]=c; res+=cnt(idx+1); color[s]=-1; } } return res; } int solve() { bool flag=true; cin>>n>>m; color.resize(n+1,-1); for(int i=0;i<m;i++){ int x,y; cin>>x>>y; adj[x].pb(y); adj[y].pb(x); } int sum=1LL; for(int i=1;i<=n;i++){ if(!vis[i]){ g.clear(); dfs(i); reverse(g.begin(),g.end()); int ans=cnt(0); sum*=ans; } } cout<<sum<<endl; return 0; } signed main() { fastio; // test solve(); }
//----AUTHOR:kkdrummer----/ #include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> //#include <boost/multiprecision/cpp_int.hpp> //using namespace boost::multiprecision; using namespace __gnu_pbds; using namespace std; typedef long long ll; typedef long double ld; typedef unordered_set<ll> usll; typedef unordered_multiset<ll> umsll; typedef multiset<ll> msll; typedef set<ll> sll; typedef vector<ll> vll; typedef pair<ll,ll> pll; typedef vector<pll> vpll; typedef priority_queue<ll> pqll; typedef vector<int> vi; typedef set<int> si; typedef multiset<int> msi; typedef unordered_multiset<int> umsi; typedef unordered_set<int> usi; typedef pair<int,int> pi; typedef vector<pi> vpi; typedef priority_queue<int> pqi; typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> ind_si; typedef tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update> ind_sll; typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> ind_msi; typedef tree<ll,null_type,less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ind_msll; #define in insert #define fi first #define se second #define pb push_back #define mp make_pair #define be begin #define en end #define itr iterator #define io ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define mo 1000000007 #define inf 8222372026854775807 #define ninf -inf #define ima 2047483647 #define imi -ima #define oncnt __builtin_popcount #define zerobegin __builtin_clz #define zeroend __builtin_ctz #define parity __builtin_parity #define eps 1e-9 #define coutd cout<<setprecision(10)<<fixed #define mems(dp,x) memset(dp,x,sizeof(dp)) #define fbo find_by_order #define ook order_of_key #define all(x) x.be(),x.en() #define upb upper_bound #define lowb lower_bound #define lte(v,x) (upb(all(v),x)-v.be()) #define gte(v,x) (v.end()-lowb(all(v),x)) #define gt(v,x) (v.en()-upb(all(v),x)) #define lt(v,x) (lowb(all(v),x)-v.be()) const ld PI= 3.1415926535897932384626433832792884197169399375105820974944; inline ll mpow(ll x,ll n){if(n==0)return 1;if(x==0)return 0;if(n==1)return(x%mo);ll u=(mpow(x,n/2));u=(u*u)%mo;if(n%2!=0)u=(u*x%mo)%mo;return u;} inline ll minv(ll x){return mpow(x,mo-2);} inline ll mmul(ll a,ll b){if(a>=mo)a=a%mo;if(b>=mo)b=b%mo;if(a*b>=mo)return(a*b)%mo;return(a*b);} inline ll madd(ll a, ll b){if(a>=mo)a=a%mo;if(b>=mo)b=b%mo;if(a+b>=mo)return(a+b)%mo;return(a+b);} inline ll msub(ll a, ll b){if(a>=mo)a=a%mo;if(b>=mo)b=b%mo;return(((a-b)%mo+mo)%mo);} inline ll mdiv(ll a,ll bb){if(a>=mo)a=a%mo;ll b=minv(bb);if(b>=mo)b=b%mo;if(a*b>=mo)return(a*b)%mo;return(a*b);} inline ll gcd(ll a,ll b){return __gcd(a,b);} inline ll lcm(ll a,ll b){return (a*b)/gcd(a,b);} int main() { io int testcases=1; // cin>>testcases; while(testcases--) { ld a,b; cin>>a>>b; coutd<<((a-b)/a)*100.00; }return 0;}
#include<bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, k, n) for (int i = k; i < (int)(n); i++) #define repd(i, n) for (int i = n-1; i >= 0; i--) #define rrepd(i, k, n) for (int i = n-1; i >= (int)(k); i--) #define all(x) (x).begin(),(x).end() #define chmax(x,y) x=max(x,y) #define chmin(x,y) x=min(x,y) #define F first //pairの一つ目の要素 #define S second //pairの二つ目の要素 #define PB push_back //挿入 #define MP make_pair //pairのコンストラクタ //V,Pは大文字i,l,bは小文字 using ll = long long; using Vi = vector<int>; using VVi = vector<Vi>; using Vl = vector<ll>; using VVl = vector<Vl>; using Vb = vector<bool>; using VVb = vector<Vb>; using P = pair<int,int>; using Pl = pair<ll, ll>; using Vs = vector<string>; const ll mod = 1000000007; const ll inf = 1000000000000000000;//10の18乗 #define yn {puts("Yes");}else{puts("No");} #define dame { puts("-1"); return 0;} int main() { ll n,m,q; cin >> n >> m >> q; vector<Pl> v(n); rep(i,n) cin >> v[i].F >> v[i].S; sort(all(v)); v.PB(MP(inf,inf)); Vl box(m); rep(i,m) cin >> box[i]; rep(i,q){ ll ans=0; ll l,r; cin >> l >> r; l--;r--; Vl ok; rep(j,l) ok.PB(box[j]); rrep(j,r+1,m) ok.PB(box[j]); sort(all(ok)); priority_queue<ll> que; ll now=0; //cout << ok.size() << l << r << endl; rep(j,ok.size()){ while(v[now].F<=ok[j]){ que.push(v[now].S); now++; } if(!que.empty()){ ll x=que.top();que.pop(); ans+=x; } //cout << ans << endl; } cout << ans << endl; } }
#include <string> #include <iostream> #include <stack> #include <queue> // priority_queue も入ってる #include <set> // 要素数は size() で取得 multisetもある #include <map> #include <array> // sizeはコンパイル時定数で固定 #include <vector> #include <numeric> // accumulate, gcd #include <algorithm> // count_ifに必要 #include <iomanip> // cout << setprecision(15) << x で小数の出力精度を指定 #include <tuple> #include <utility> //pair #include <cmath> #include <random> using namespace std; using ll = long long; #define rep(i, n) for (int i = 0; i < (n); ++i) int main() { ll n; cin >> n; vector<ll> a(n); vector<ll> b(n); rep(i, n) { ll tempA; ll tempB; cin >> tempA >> tempB; tempA--; tempB--; // a<=b となるように並べます→いみない!!! if (tempA <= tempB) { a[i] = tempA; b[i] = tempB; } else { a[i] = tempB; b[i] = tempA; } } ll aMax = 0; ll bMax = 0; rep(i, n) { aMax = max(aMax, a[i]); bMax = max(bMax, b[i]); } ll colorKinds = max(aMax, bMax) + 1; vector<vector<ll>> targets(colorKinds); rep(i, n) { targets[a[i]].push_back(b[i]); targets[b[i]].push_back(a[i]); } ll result = 0; vector<bool> doneColor(colorKinds, false); for (ll color = 0; color < colorKinds; color++) { if (doneColor[color] == true) { } else { queue<ll> que; que.push(color); ll islandMembers = 0; ll kyohi = 0; while (!que.empty()) { ll nowColor = que.front(); que.pop(); if (doneColor[nowColor] == false) { doneColor[nowColor] = true; islandMembers++; for (ll target : targets[nowColor]) { que.push(target); } } else { // その頂点は調査済みだった場合 kyohi++; } } if (kyohi == islandMembers - 1) { // loopなし result += islandMembers - 1; } else { // loopあり result += islandMembers; } } } cout << result << endl; return 0; }
#include <stdio.h> #include <stdlib.h> #include <math.h> #include <string.h> #include <string> #include <vector> #include <algorithm> #include <map> #include <set> #include <queue> #include <iostream> #include <fstream> #include <chrono> using namespace std; void solve(int test, istream &in) { int n; string s; in >> n >> s; vector<int> a(n + 1); int maxa = 0; for (int i = 0; i <= n; i++) { in >> a[i]; maxa = std::max(maxa, a[i]); } int maxk = 1; vector<int> b(n + 1), cnt(n + 1); for (int k = 2; k <= maxa; k++) { for (int i = 0; i <= n; i++) { b[i] = a[i] / k; cnt[i] = a[i] % k; } bool good = true; for (int i = 0; i < n; i++) { int l0 = b[i], l1 = b[i + 1]; int r0 = b[i], r1 = b[i + 1]; if (cnt[i] > cnt[i + 1]) r0++; else if (cnt[i] < cnt[i + 1]) r1++; if (s[i] == '>') { std::swap(l0, l1); std::swap(r0, r1); } if (l0 >= l1 || r0 >= r1) good = false; } if (good) maxk = k; } for (int i = 0; i <= n; i++) { b[i] = a[i] / maxk; cnt[i] = a[i] % maxk; } printf("%d\n", maxk); for (int k = 0; k < maxk; k++) { for (int i = 0; i <= n; i++) { printf("%d ", k < cnt[i] ? b[i] + 1 : b[i]); } printf("\n"); } } int main(int argc, char* argv[]) { #ifdef VLAD_LOCAL //FILE *f = fopen("in.txt", "r"); ifstream f("in.txt"); auto start = std::chrono::steady_clock::now(); #else //FILE *f = stdin; istream &f = cin; #endif int tests = 1; //f >> tests; for (int test = 0; test < tests; test++) { solve(test, f); } #ifdef VLAD_LOCAL auto end = std::chrono::steady_clock::now(); double seconds = (double)std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() / 1000; printf("\n%.3lf seconds\n", seconds); #endif return 0; }
// .------------------------------------------------------------. // | K U S A Y A R O U | // | | // | ---|---|--- ___ ____ _\_ ___ | // | _______ |_|_| / |___| | / | // | |_______| |_|_| \ |___| | / | // | |_______| | _____ | | \ | // | _____|_____ __|__ | / | \ | __\ | // | | | | | / \ | | // | | __|__ \| |/ | | // | | // |------------------------------------------------------------| // | .------------. | // | | KerakTelor | | // | |------------| | // | | 2020-07-21 | | // | '------------' | // '------------------------------------------------------------' #include <bits/stdc++.h> #define DEBUG(...) // #pragma GCC optimize("O2,unroll-loops") // #pragma GCC target("tune=native") #define fi first #define se second using namespace std; using ll = long long; using ld = long double; template<class T> using vec = vector<T>; template<class T> using v2d = vector<vector<T>>; template<class T> using prq = priority_queue<T>; template<class T> using rpq = priority_queue<T, vector<T>, greater<T>>; int n; v2d<ld> dp; ld solve(int on) { if(on == n) { return 0; } int off = n - on; return (ld) n / off * ((ld) off / n * solve(on + 1) + 1); } int main() { scanf("%d", &n); printf("%.12Lf\n", solve(1)); }
#include <bits/stdc++.h> using namespace std; #define M 1000000007 #define U 998244353 #define N 1000005 #define int long long #define sz(c) (int)c.size() #define fr first #define ll long long #define sc second #define pb push_back #define ppb pop_back #define mp make_pair #define all(a) (a).begin(),(a).end() #define rep(i,a,n) for(int i=a ; i<n ; i++) #define r0 return 0; #define endl '\n' #define INF (int)1e15 /* Debug Begins */ # define trace(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); \ stringstream _ss(_s); istream_iterator<string> _it(_ss); err(_it, args); } string to_string(char c) { return "'" + string(1, c) + "'";} string to_string(string s) { return '"' + s + '"';} string to_string(bool f) { if(f) return "True"; else return "False";} string to_string(const char* s) { return to_string((string) s);} template<typename A> string to_string(A); template<typename A, typename B> string to_string(pair<A, B> p){ return "(" + to_string(p.first) + ": " + to_string(p.second) + ")";} template<typename A> string to_string(A v) {bool f = false; string r = "{"; for (auto x: v) {if (f) r += ", "; r += to_string(x); f = true;} return r += "}";} template<typename A> string to_string(vector<vector<A>> v) {string r; for (auto x: v) r += "\n" + to_string(x); return r;} int Nerr; template<typename A> string to_string(A *p) {return to_string(vector<A>(p, p + Nerr));} void err(istream_iterator<string>) { cerr << endl; } template<typename T,typename... Args> void err(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << to_string(a) << "; "; err(++it, args...); } template<typename T> void kek(T ans) {cout << ans << endl; exit(0);} #define Lu(...) [&] (auto &&u) { return __VA_ARGS__; } #define Luv(...) [&] (auto &&u, auto &&v) { return __VA_ARGS__; } /***************************************************************/ bool sortbysec(const pair<int,int> &a, const pair<int,int> &b) { return (a.second < b.second); } signed main() { ios_base::sync_with_stdio(0); int TESTS=1; // cin>>TESTS; while(TESTS--) { double ans = 0; int n; cin >> n; rep(i,1,n) ans += n*1.0/i; cout << fixed << setprecision(10) << ans << endl; } }
#pragma GCC optimize("O3") #include <bits/stdc++.h> using namespace std; // #include <boost/multiprecision/cpp_int.hpp> // using namespace boost::multiprecision; // using cint = cpp_int; #define fastio \ std::cin.tie(nullptr); \ std::ios::sync_with_stdio(false); using ll = long long; using ld = long double; #define For(i, m, n) for(int i = (m); (i) < (n); ++(i)) #define Rep(i, n) For(i, 0, n) #define Each(e, con) for(auto e: con) #define rEach(e, con) for(auto &e: con) #define crEach(e, con) for(const auto &e: con) #define All(con) (con).begin(), (con).end() #define Unique(con) std::sort(All(con)); (con).erase(std::unique(All(con)), (con).end()) #define Reverse(con) std::reverse(All(con)) #define Middle(con) (con).begin() + ((con).end() - (con).begin()) / 2 template <class Ty1, class Ty2> std::istream &operator>>(std::istream &is, std::pair<Ty1, Ty2> &arg) { is >> arg.first >> arg.second; return is; } template <class Ty> std::istream &operator>>(std::istream &is, std::vector<Ty> &arg) { rEach(e, arg) is >> e; return is; } template <class Ty> std::istream &operator>>(std::istream &is, std::vector<std::vector<Ty>> &arg) { rEach(sub, arg) { rEach(e, sub) { is >> e; }} return is; } template <class Ty1, class Ty2> std::istream &vecinput(std::vector<Ty1> &arg1, std::vector<Ty2> &arg2) { assert(arg1.size() == arg2.size()); auto sz = arg1.size(); Rep(i, (int)sz) std::cin >> arg1[i] >> arg2[i]; return std::cin; } template <class Ty1, class Ty2, class Ty3> std::istream &vecinput(std::vector<Ty1> &arg1, std::vector<Ty2> &arg2, std::vector<Ty3> &arg3) { assert(arg1.size() == arg2.size()); assert(arg2.size() == arg3.size()); auto sz = arg1.size(); Rep(i, (int)sz) std::cin >> arg1[i] >> arg2[i] >> arg3[i]; return std::cin; } template <class Ty1, class Ty2, class Ty3, class Ty4> std::istream &vecinput(std::vector<Ty1> &arg1, std::vector<Ty2> &arg2, std::vector<Ty3> &arg3, std::vector<Ty4> &arg4) { assert(arg1.size() == arg2.size()); assert(arg2.size() == arg3.size()); assert(arg3.size() == arg4.size()); auto sz = arg1.size(); Rep(i, (int)sz) std::cin >> arg1[i] >> arg2[i] >> arg3[i] >> arg4[i]; return std::cin; } int main() { fastio int r, x, y; cin >> r >> x >> y; double dist = hypot(x, y); int ans = 0; while(dist > 2 * r) { dist -= r; ++ans; } if(abs(dist - r) < 1e-9) cout << ans + 1 << endl; else cout << ans + 2 << endl; return 0; }
#include<cmath> #include<cstdio> #include<cstring> #include<algorithm> #include<iostream> #define ll long long using namespace std; int main(){ ll n,a,b,c; scanf("%lld%lld%lld",&n,&a,&b); c=(ll)(sqrt(a*a+b*b)); if(c*c==a*a+b*b){ if(c==n)puts("1"); else if(c==0)puts("0"); else printf("%lld\n",max(2LL,(c+n-1)/n)); return 0; } ++c; printf("%lld\n",max(2LL,(c+n-1)/n)); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; const int inf = 1e9 + 7; const ll longinf = 5LL << 60; const ll mod = 1e9 + 7; int main(void) { int N; cin >> N; int 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]; for(int i = 0; i < N; i++) { cin >> C[i]; C[i]--; } int cnt[100010]; for(int i = 0; i < 100010; i++) cnt[i] = 0; for(int i = 0; i < N; i++) cnt[A[i]]++; ll ans = 0; for(int i = 0; i < N; i++) { ans += cnt[B[C[i]]]; } cout << ans << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; #define fora(i, x, n) for(int i=(x); i<(n) ; ++i) #define trav(a, A) for(auto& a : A) #define endl '\n' #define ford(i, x) for(int i=(x); i>=0 ; --i) #define all(v) v.begin(), v.end() #define pb push_back #define fi first #define se second #define mp make_pair #define INF ((long long int) ((unsigned long long int)~0>>1)) using li = long long int; using vi = vector<int>; unordered_map<int,int> freq_colors; vi color; vector<vi> tree; vi good_vertex; void dfs(int u, int parent = 0){ freq_colors[color[u]]++; if ( freq_colors[color[u]] == 1 ){ good_vertex.pb(u); } for(auto v : tree[u]){ if (v == parent) continue; dfs(v, u); } freq_colors[color[u]]--; } void solve(){ int n; cin >>n; color.resize(n); tree.resize(n); for(auto& c : color){ cin >> c; } int a, b; fora(i, 0, n-1){ cin >> a >> b; a--; b--; tree[a].pb(b); tree[b].pb(a); } dfs(0, 0); sort(all(good_vertex)); for(auto& v : good_vertex){ cout << v+1 << endl; } } int main(void){ ios_base::sync_with_stdio(false); cin.tie(nullptr); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double ld; typedef pair<ll, ll> pll; typedef pair<int, int> pii; typedef pair<double, double> pdd; typedef string str; #define all(x) (x).begin(),(x).end() #define Sort(x) sort(all((x))) #define X first #define Y second #define Mp make_pair #define pb(x) push_back(x) #define pf(x) push_front(x) #define sep ' ' #define endl '\n' #define debug(x) cerr << #x << " = " << x << endl #define SZ(x) ll(x.size()) #define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0); const ll MAXN = 1e3 + 10; const ll INF = 1e18; const ll LOG = 20; const ll MOD = 1e9 + 7; ll poww(ll a, ll b, ll md, ll ans = 1) { for (; b; b >>= 1, a = a * a % md) if (b & 1) ans = ans * a % md; return ans; } ll fib[MAXN] , c[4]; int main(){ fast_io; fib[1] = fib[2] = 1; for (int i = 3; i < MAXN; i++){ fib[i] = (fib[i - 1] + fib[i - 2]) % MOD; } ll n; cin >> n; for (int i = 0; i < 4; ++ i){ char ch; cin >> ch; c[i] = ch - 'A'; } if (n < 4){ cout << 1; return 0; } if (!c[1]){ if (!c[0]){ cout << 1; return 0; } if (!c[2]){ cout << fib[n - 1]; return 0; } cout << poww(2, n - 3, MOD); return 0; } if (c[3]){ cout << 1; return 0; } if (c[2]){ cout << fib[n - 1]; return 0; } cout << poww(2, n - 3, MOD); }
#include <bits/stdc++.h> using namespace std; #define ll long long const int MAXM = 1e4 + 5; #define pb push_back #define eb emplace_back #define w(x) \ int x; \ cin >> x; \ while (x--) #define mod 1000000007 #define MAX 1e9 #define MIN -1e9 #define LINF 9223372036854775807 #define LMIN -9223372036854775807 #define mp make_pair #define tiii tuple<int, int, int> #define tlll tuple<ll, ll, ll> #define mid(s, e) (s + (e - s) / 2) #define F first #define z endl #define S second #define for0(i, n) for (int i = 0; i < (int)(n); ++i) // 0 based indexing #define for1(i, n) for (int i = 1; i <= (int)(n); ++i) // 1 based indexing #define forc(i, l, r) for (int i = (int)(l); i <= (int)(r); ++i) // closed interver from l to r r inclusive #define forr0(i, n) for (int i = (int)(n)-1; i >= 0; --i) // reverse 0 based. #define forr1(i, n) for (int i = (int)(n); i >= 1; --i) // reverse 1 based #define all(x) (x).begin(), (x).end() //Forward traversal #define rall(x) (x).rbegin, (x).rend() //reverse traversal // find if a given value is present in a container. Container version. Runs in log(n) for set and map #define pll pair<long long, long long> #define present(c, x) ((c).find(x) != (c).end()) typedef vector<int> vi; typedef vector<vi> vvi; typedef pair<int, int> ii; typedef vector<ii> vii; typedef vector<ll> vll; typedef vector<vll> vvll; typedef pair<int, pair<int, int>> ppi; typedef double ld; //std::rotate(vec1.begin(), vec1.begin()+rotL, vec1.end()) Rotate vector left rotL times. in Theta(n) // std::rotate(vec2.begin(), vec2.begin()+vec2.size()-rotR, vec2.end()); Rotate vector Right rotR times. int Theta(n) class compare { public: bool operator()(const pair<int, int> &a, const pair<int, int> &b) { if (a.first == b.first) return a.second > b.second; return a.first < b.first; } }; bool isprime(int n) { if (n == 1) return false; for (int i = 2; i * i <= n; i++) { if (n % i == 0) return false; } return true; } int lcm(int a, int b) { return (a * b) / __gcd(a, b); } int gcd(int a, int b) { if (b == 0) { return a; } return gcd(b, a % b); } int countDigits(int n) { return floor(log10(n) + 1); } int main() { // auto start = chrono::high_resolution_clock::now(); ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n; cin >> n; if (n == 1) cout << 1 << endl; else { int count = 1; int x = 0; while (x < n) { x += count; count++; } cout << count - 1 << endl; } // auto end = chrono::high_resolution_clock::now(); // double time_taken = // chrono::duration_cast<chrono::nanoseconds>(end - start).count(); // time_taken *= 1e-9; // cout << "Time taken by program is : " << fixed // << time_taken << setprecision(9); // cout << " sec" << endl; return 0; }
#include<bits/stdc++.h> #define ll long long using namespace std; void readFile(){ #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif } int main(){ readFile(); ios::sync_with_stdio(false); cin.tie(NULL); ll n, x; cin >> n >> x; vector<ll> ans; for(ll i = 0 ; i < n ; ++i){ ll val; cin >> val; if(val != x) ans.push_back(val); } for(ll i : ans) cout << i << ' '; cout << '\n'; }
#include <iostream> #include <algorithm> #include <numeric> #include <vector> #include <string> #include <map> #include <set> #include <queue> #include <deque> #include <stack> #include <iomanip> #include <functional> #include <bitset> #include <limits> #include <cstdio> #include <cmath> #include <cassert> #include <random> #ifdef DEBUG #include "library/Utility/debug.cpp" #else #define debug(...) #endif #define rep(i,n) for(int i=0;i<(n);++i) #define EL '\n' #define print(i) std::cout << (i) << '\n' #define all(v) (v).begin(), (v).end() using lnt = long long; struct FIO{FIO(){std::cin.tie(0);std::ios_base::sync_with_stdio(0);std::cout<<std::fixed<<std::setprecision(15);}}fIO; template<typename T> using V = std::vector<T>; template<typename T> void fill(V<T>&v) { for(T&e:v) std::cin >> e; } /*-*/ int main() { int h,w; std::cin >> h >> w; int n=h*w; V<int> a(n); fill(a); int min=a[0]; rep(i,n) min=std::min(min,a[i]); lnt ans=0; rep(i,n) ans+=a[i]-min; print(ans); }
#include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <list> #include <string> #include <map> #include <set> #include <cstdio> #include <numeric> #include <iomanip> using namespace std; using ll = long long; vector<ll> A; ll calc(ll N, ll sep) { ll ret = 0; //vector<ll> v; ll OR = 0; bool f = false; for(ll i = 0;i < N;i++) { OR |= A[i]; f = true; if(sep & (1LL<<i)) { ret ^= OR; OR = 0LL; f = false; } } if(f) { ret ^= OR; } return ret; } int main() { ll N; cin >> N; A.resize(N); for(ll i = 0;i < N;i++) { cin >> A[i]; } ll sep; ll lim = 1<<(N-1LL); ll ans = 1e15; for(sep=0;sep<lim;sep++) { ll ret = calc(N, sep); //cout << "ret = " << ret << " sep = " << sep << endl; ans = min(ans, ret); } cout << ans << endl; return 0; }
// Problem: B - Mex Boxes // Contest: AtCoder - KEYENCE Programming Contest 2021 // URL: https://atcoder.jp/contests/keyence2021/tasks/keyence2021_b // Memory Limit: 1024 MB // Time Limit: 2000 ms // // Powered by CP Editor (https://cpeditor.org) // Problem: A - Two Sequences 2 // Contest: AtCoder - KEYENCE Programming Contest 2021 // URL: https://atcoder.jp/contests/keyence2021/tasks/keyence2021_a // Memory Limit: 1024 MB // Time Limit: 2000 ms // // Powered by CP Editor (https://cpeditor.org) #include <bits/stdc++.h> #define int long long using namespace std; #ifndef use_ios11 #define use_ios11 using namespace std; struct ins{ int ans; ins(){ans=1;} #define endl '\n' void read(){} void read1(char &s){ char c=getchar(); for(;!isprint(c)||c==' '||c=='\n'||c=='\t';c=getchar()); s=c; if(c==EOF)ans=0; } void read1(string &s){ s=""; char c=getchar(); for(;!isprint(c)||c==' '||c=='\n'||c=='\t';c=getchar()); for (;isprint(c)&&c!=' '&&c!='\n'&&c!='\t';c=getchar())s+=c; if(c==EOF)ans=0; } template<typename T>void read1(T &n){ T x=0;int f=1;char c=getchar(); for(;!isdigit(c);c=getchar()){ if(c=='-')f=-1; if(c==EOF){ans=0;return;} } for(;isdigit(c);c=getchar())x=x*10+c-48; n=x*f; if(c==EOF)ans=0; if(c!='.')return; T l=0.1; while((c=getchar())<='9'&&c>='0')x=x+(c&15)*l,l*=0.1; n=x*f; if(c==EOF)ans=0; } void write(){} void write1(string s){ int n=s.size(); for(int i=0;i<n;i++)putchar(s[i]); } void write1(const char *s){ int n=strlen(s); for(int i=0;i<n;i++)putchar(s[i]); } void write1(char s){putchar(s);} void write1(float s,int x=6){ char y[10001]; sprintf(y,"%%.%df",x); printf(y,s); } void write1(double s,int x=6){ char y[10001]; sprintf(y,"%%.%dlf",x); printf(y,s); } void write1(long double s,int x=6){ char y[10001]; sprintf(y,"%%.%dLf",x); printf(y,s); } template<typename T>void write1(T n){ if(n<0)n=-n,putchar('-'); if (n>9)write1(n/10); putchar('0'+n%10); } template<typename T>friend ins operator>>(ins x,T &n); template<typename T>friend ins operator<<(ins x,T n); operator bool(){return ans;} }; template<typename T>ins operator>>(ins x,T &n){ if(!x.ans)return x; x.read1(n);return x; } template<typename T>ins operator<<(ins x,T n){ x.write1(n); return x; } ins yin; ins yout; #endif int ans,h[300010]; signed main(){ int n,k;yin>>n>>k; for(int i=1;i<=n;i++){ int x;yin>>x; if(x<=n)h[x]++; } int s=k; for(int i=0;i<=n+1;i++){ if(h[i]<s)ans+=(s-h[i])*i,s=h[i]; // cout<<ans<<endl; }yout<<ans; return 0; }
#include<bits/stdc++.h> using namespace std; int n,a[10005],b[10005],ans=12345678; int main() { cin>>n; for(int i=0;i<n;i++) cin>>a[i]>>b[i]; for (int i=0;i<n;i++) for (int j=0;j<n;j++) if (i==j) ans=min(ans,a[i]+b[i]); else ans=min(ans,max(a[i],b[j])); cout<<ans; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define vi vector<ll> #define rep(i,a,b) for(int i=a; i<b; ++i) #define pb push_back #define endl '\n' #define sa(x) sort((x).begin(), (x).end()); #define int long long template<typename T, typename U> static inline void amin(T &x, U y){ if(y<x) x=y; } template<typename T, typename U> static inline void amax(T &x, U y){ if(x<y) x=y; } template<typename T> static inline void sd(vector<T> &x) {sort((x).begin(), (x).end(), greater<T>()) ; } void solve(){ int n; cin>>n; vector<int> v[2]; v[0].resize(n); v[1].resize(n); int a=LLONG_MAX, b=LLONG_MAX; rep(i,0,n){ cin>>v[0][i]>>v[1][i]; amin(a, v[1][i]+v[0][i]); rep(j,0,i){ amin(a, min(max(v[0][i], v[1][j]), max(v[1][i], v[0][j]))); } } cout<<a; } signed main() { ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); int testcases=1; //cin>>testcases; while(testcases--){ solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll,ll> P; typedef vector<ll> VI; typedef vector<VI> VVI; #define REP(i,n) for(ll i=0;i<(n);i++) #define ALL(v) v.begin(),v.end() constexpr ll MOD=1000000007; constexpr ll INF=2e18; struct edge{ ll to; ll c; }; vector<edge> g[210000]; VI sum(210000,0); ll s=0; void dfs(int v, int p){ sum[v]=s; for(auto i:g[v]){ if(i.to!=p){ s^=i.c; dfs(i.to,v); s^=i.c; } } } int main(){ int n; cin >> n; ll a, b, c; REP(i,n-1){ cin >> a >> b >> c; a--, b--; g[a].push_back({b,c}); g[b].push_back({a,c}); } dfs(0,-1); VI cnt(60,0); REP(i,n){ ll x=sum[i]; REP(j,60){ if(x&1) cnt[j]++; x>>=1; } } ll ans=0; ll p=1; REP(i,60){ ans+=cnt[i]*(n-cnt[i])%MOD*p%MOD; ans%=MOD; p=p*2%MOD; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<vector<pair<int, long long int>>> G(N); for (int i = 0; i < N - 1; i++) { int u, v; long long int w; cin >> u >> v >> w; u--; v--; pair<int, long long int> p = make_pair(v, w), q = make_pair(u, w); G.at(u).push_back(p); G.at(v).push_back(q); } vector<long long int> dist(N, -1); queue<int> que; que.push(0); dist.at(0) = 0; while (!que.empty()) { int u = que.front(); que.pop(); for (int i = 0; i < G.at(u).size(); i++) { int v = G.at(u).at(i).first; if (dist.at(v) >= 0) continue; long long int w = G.at(u).at(i).second; dist.at(v) = dist.at(u) ^ w; que.push(v); } } long long int ans = 0, MOD = 1000000007; for (int k = 0; k < 60; k++) { vector<long long int> cnt(2, 0); for (int i = 0; i < N; i++) cnt.at((dist.at(i) >> k) & 1)++; ans += ((long long int)1 << k) % MOD * cnt.at(0) % MOD * cnt.at(1) % MOD; ans %= MOD; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int n,m,bl[55][55],val[55][55],di[]={0,0,-1,1},dj[]={1,-1,0,0},nn,mm; bool vis[2505],p; int main() { //freopen("in.txt","r",stdin); p=true; scanf("%d %d",&n,&m); for(int i=0;i<50;i++) { for(int j=0;j<50;j++) { scanf("%d",&bl[i][j]); } } for(int i=0;i<50;i++) { for(int j=0;j<50;j++) { scanf("%d",&val[i][j]); } } while(1) { vis[bl[n][m]]=true; p=false; for(int i=0;i<4;i++) { nn=n+di[i]; mm=m+dj[i]; if(nn<0||mm<0||nn>=50||mm>=50)continue; if(!vis[bl[nn][mm]]) { if(i==0)printf("R"); else if(i==1)printf("L"); else if(i==2)printf("U"); else printf("D"); p=true; n=nn; m=mm; //printf(" %d %d\n",n,m); break; } } if(!p)break; } }
#include <bits/stdc++.h> clock_t start; constexpr int H = 50, W = 50; int si, sj; int t[H][W], p[H][W]; struct cand { std::string s; int score, i, j; std::vector<bool> seen; bool operator<(const cand& rhs) const { return score < rhs.score; } bool valid(const char& c) { if (c == 'L') return (0 < j && !seen[t[i][j - 1]]); if (c == 'R') return (j < W - 1 && !seen[t[i][j + 1]]); if (c == 'U') return (0 < i && !seen[t[i - 1][j]]); if (c == 'D') return (i < H - 1 && !seen[t[i + 1][j]]); } cand move(const char& c) { cand ret = *this; ret.s.push_back(c); if (c == 'L') ret.j--; else if (c == 'R') ret.j++; else if (c == 'U') ret.i--; else ret.i++; ret.score += p[ret.i][ret.j]; ret.seen[t[ret.i][ret.j]] = true; return ret; } }; int main() { start = clock(); std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cin >> si >> sj; for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) std::cin >> t[i][j]; for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) std::cin >> p[i][j]; constexpr int N = 1000; int n = 1; std::vector<bool> seen(H * W, false); seen[t[si][sj]] = true; cand ans = {"", p[si][sj], si, sj, seen}; std::vector<cand> c(N, ans); while (clock() - start <= 1.95 * CLOCKS_PER_SEC) { std::vector<cand> v; for (int i = 0; i < n; i++) { ans = std::max(ans, c[i]); if (c[i].valid('L')) v.push_back(c[i].move('L')); if (c[i].valid('R')) v.push_back(c[i].move('R')); if (c[i].valid('U')) v.push_back(c[i].move('U')); if (c[i].valid('D')) v.push_back(c[i].move('D')); } sort(v.begin(), v.end()); n = std::min(N, (int)v.size()); int m = n / 2; for (int i = 0; i < m; i++) c[i] = v[(int)v.size() - 1 - i]; if (n == m) continue; int skip = ((int)v.size() - m) / (n - m); for (int i = 0; i < n - m; i++) c[i + m] = v[i * skip]; } std::cout << std::max(ans, c[0]).s << '\n'; }
#include <bits/stdc++.h> using namespace std; const int mod=998244353; int main() { long long a,b,c; cin>>a>>b>>c; long long ans=(((a*(a+1)/2%mod) * (b*(b+1)/2%mod)%mod) * (c*(c+1)/2%mod))%mod; cout<<ans<<endl; }
#include <iostream> #include<bits/stdc++.h> using namespace std; typedef long long int ll; #define fast ios_base::sync_with_stdio(false);cin.tie(NULL); #define mod 1000000007 #define pb push_back #define mp make_pair #define pii pair<int,int> #define tiii tuple<int, int, int> #define pll pair<long long,long long> #define sii set<int> #define sll set<long long> #define vii vector<int> #define vll vector<long long> #define vll vector<long long> #define mii map<int,int> #define mll map<long long, long long> #define lob lower_bound #define upb upper_bound #define ret return #define present(s,x) (s.find(x) != s.end()) #define cpresent(s,x) (find(all(s),x) != s.end()) #define ford(container, it) for(auto it = container.begin(); it != container.end(); it++) #define fors(container, it, a, b) for(auto it = a; it != b; it++) #define ff first #define all(v) v.begin(),v.end() #define ss second #define rep(i,n) for(i=0;i<n;i++) #define fu(i,a,n) for(i=a;i<=n;i++) #define fd(i,n,a) for(i=n;i>=a;i--) #define gi(n) scanf(%d,&n) int main() { int a,b,c; cin>>a>>b>>c; int arr[]={0,6,5,4,3,2,1}; int sum=arr[a]+arr[b]+arr[c]; cout<<sum<<endl; }
#include <bits/stdc++.h> using namespace std; #define endl "\n" int main() { ios_base::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL); int a,b; cin>>a>>b; cout<<(2*a+100)-b; return 0; }
#include <bits/stdc++.h> #include <ext/rope> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/assoc_container.hpp> #define ff first #define ss second #define pb push_back #define ll long long #define MX 100005 #define inf INT_MAX #define mod 1000000007 #define endl "\n" #define W(t) while(t--) #define gcd(a,b) __gcd(a,b) #define lcm(a,b) (a*b)/gcd(a,b) #define all(v) v.begin(),v.end() #define clr(a,x) memset(a,x,sizeof(a)) #define rep(i,a,b) for(i = a; i <= b; i++) #define irep(i,b,a) for(i = b; i >= a; i--) #define IOS ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0); using namespace std; using namespace __gnu_cxx; using namespace __gnu_pbds; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; int main() { // #ifndef ONLINE_JUDGE // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); // #endif IOS ll a,b; cin >> a>>b; cout << 2*a+100 - b<<endl; }
#include <bits/stdc++.h> using namespace std; typedef long long LL; typedef pair<int, int> pii; #define read(a) scanf("%d", &a) #define x first #define y second #define N 1011 int n, m; int ans; char a[N][N], b[N][N]; int dx[] = {1, 0, -1, 0}, dy[] = {0, 1, 0, -1}; bool vis[N]; bool v[N][N][4]; struct state { int x, y, d; }; queue <state> q; bool ok(int x, int y) { return 1 <= x && x <= n && 1 <= y && y <= m; } void check(char g[N][N]) { while (!q.empty()) { auto o = q.front(); q.pop(); int x = o.x, y = o.y, d = o.d; if (g[x][y] == '#' || !ok(x + dx[d], y + dy[d])) { vis[y] = 1; for (int i = 0; i < 4; i++) { v[x][y][i] = 1; } for (d = 0; d < 4; d++) { if (ok(x + dx[d], y + dy[d])) { if ( !v[x + dx[d]][y + dy[d]][d] ) { v[x + dx[d]][y + dy[d]][d] = 1; q.push({x + dx[d], y + dy[d], d}); } } } } else if (ok(x + dx[d], y + dy[d])) { if ( !v[x + dx[d]][y + dy[d]][d] ) { v[x + dx[d]][y + dy[d]][d] = 1; q.push({x + dx[d], y + dy[d], d}); } } } } void work(char g[N][N]) { memset(vis, 0, sizeof vis); vis[1] = 1; vis[m] = 1; memset(v, 0, sizeof v); int tot = 0; v[1][1][0] = 1; q.push({1, 1, 0}); v[1][1][1] = 1; q.push({1, 1, 1}); check(g); vector <int> op; for (int i = 1; i <= m; i++) if (!vis[i]) { op.push_back(i); g[1][i] = '#'; tot++; q.push({1, i, 0}); check(g); } for (auto x : op) { g[1][x] = '.'; } ans = min(ans, tot); } int main() { read(n); read(m); ans = n; for (int i = 1 ;i <= n; i++) { scanf("%s", a[i] + 1); } work(a); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { b[j][i] = a[i][j]; } } swap(n, m); work(b); printf("%d\n", ans); }
//W4P3R #include<bits/stdc++.h> #define inf 1e9 #define eps 1e-6 #define mp make_pair #define pb push_back #define re register ll #define fr first #define sd second #define pa pair<ll,ll> #define FOR(i,a,b) for(re i=a;i<=b;i++) #define REP(i,a,b) for(re i=a;i>=b;i--) #define MEM(a) memset(a,0,sizeof(a)) #define N 2010 using namespace std; typedef long long ll; typedef unsigned long long ull; typedef double db; inline ll read() { char ch=getchar(); ll s=0,w=1; while(ch<'0'||ch>'9'){if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9'){s=s*10+ch-'0';ch=getchar();} return s*w; } inline ll lowbit(ll x){return x&(-x);} char s[N][N]; int n,m,vis[N],fa[N]; int find(int x){return x==fa[x]?x:fa[x]=find(fa[x]);} inline void add(int x,int y){x=find(x),y=find(y);fa[x]=y;} int main() { //ios::sync_with_stdio(false); //freopen(".in","r",stdin); //freopen(".out","w",stdout); n=read(),m=read(); FOR(i,1,n+m)fa[i]=i; FOR(i,1,n) { scanf("%s",s[i]+1); FOR(j,1,m)if(s[i][j]=='#')add(i,j+n); } add(1,n+1);add(1,n+m);add(1,n); int ans=0,num=0; FOR(i,1,n)if(!vis[find(i)])vis[find(i)]=1,num++; ans=num-1;MEM(vis);num=0; FOR(i,1,m)if(!vis[find(i+n)])vis[find(i+n)]=1,num++; ans=min(ans,num-1);MEM(vis); cout<<ans<<'\n'; return 0; } //gl
#include<bits/stdc++.h> using namespace std; #define GODSPEED ios:: sync_with_stdio(0);cin.tie(0);cout.tie(0);cout<<fixed;cout<<setprecision(15); #define f first #define s second #define newl cout<<"\n"; #define pb push_back #define mset(a,x) memset(a,x,sizeof(a)) #define debv(a) for(auto it: a)cout<<it<<" ";newl; #define deb1(a) cout<<a<<"\n"; #define deb2(a,b) cout<<a<<" "<<b<<"\n"; #define deb3(a,b,c) cout<<a<<" "<<b<<" "<<c<<"\n"; #define deb4(a,b,c,d) cout<<a<<" "<<b<<" "<<c<<" "<<d<<"\n"; #define uniq(a) a.resize(unique(a.begin(), a.end()) - a.begin()); #define all(a) a.begin(),a.end() typedef long long ll; typedef long double ld; typedef pair<ll,ll> pll; typedef vector<ll> vll; typedef vector<pll> vpll; const ll N = 5e5+5; const ll M = 4e6+5; const ll mod = 1e9+7; const ll INF = 0x7f7f7f7f7f7f7f7f; const int INFi = 0x7f7f7f7f; ll n, a, b; ll fastmod(ll x, ll y = mod - 2){ ll res = 1; while(y){ if(y&1) res = res * x % mod; x = x * x % mod; y /= 2; } return res; } ll sum(ll x){ return x * (x + 1) % mod * fastmod(2) % mod; } ll mul(ll x, ll y){ return x * y % mod; } void solve(){ cin >> n >> a >> b; ll x = n - b + 1; ll y = n - a - b + 1; ll z = n - a + 1; if(y <= 0){ deb1(0) return; } ll s1 = mul(mul(sum(y), x), z), s2 = mul(sum(y), sum(y)); deb1((4*(s1 - s2) + 4*mod) % mod) } int main(){ GODSPEED; int test = 1; cin >> test; for(int i = 1; i <= test; i++){ solve(); } }
#include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> #define pi 3.141592653589793238 #define int long long using namespace __gnu_pbds; using namespace std; template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; long long power(long long a, long long b,long long mod) { long long res = 1; while (b > 0) { if (b & 1) res = res * a %mod; a = a * a %mod; b >>= 1; } return res; } const int mod=1e9+7; int find(int n) { int z=(n+1)*(n+2); z%=mod; return z; } signed main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(0); #ifndef ONLINE_JUDGE if(fopen("INPUT.txt","r")) { freopen ("INPUT.txt" , "r" , stdin); freopen ("OUTPUT.txt" , "w" , stdout); } #endif int t; cin>>t; while(t--) { int n,a,b; cin>>n>>a>>b; if(a+b>n) { cout<<0<<'\n'; continue; } int x=find(n-a-b); int ans=x*(n-a+1)%mod*(n-b+1)%mod; ans*=2; ans%=mod; ans+=(mod-x*x%mod)%mod; ans%=mod; cout<<ans<<'\n'; } }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0;i < n; i++) using ll = long long; using P = pair<int,int>; const ll INF = 1e18; const int MX = 2005; int main() { ll n; cin >> n; vector<ll>A(n); rep(i,n) cin >> A[i]; vector<ll>maxS(n); vector<ll>sumS(n); rep(i,n){ if(i == 0){ sumS[i] = A[0]; maxS[i] = max(0ll,A[0]); }else{ sumS[i] = sumS[i-1] + A[i]; maxS[i] = max(maxS[i-1],sumS[i-1] + A[i]); } } ll m = 0; ll sum = 0; for(int i = 0; i < n; i++){ if(sum + maxS[i] > m){ m = sum + maxS[i]; } sum += sumS[i]; } cout << m << endl; }
#include <bits/stdc++.h> #define Fast cin.tie(0), ios::sync_with_stdio(0) #define All(x) x.begin(), x.end() #define louisfghbvc int t; cin >> t; while(t--) #define sz(x) (int)(x).size() using namespace std; typedef long long LL; typedef pair<LL, LL> ii; typedef vector<LL> vi; template<typename T> istream& operator>>(istream &is, vector<T> &v) { for(auto &it : v) is >> it; return is; } template<typename T> ostream& operator<<(ostream &os, const vector<T> &v) { os << '{'; string sep = ""; for(const auto &x : v) os << sep << x, sep = ", "; return os << '}'; } template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ", " << p.second << ')'; } void dbg_out() { cerr << " end.\n"; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } const int N = 1e5+5; const int inf = 0x3f3f3f3f; /** Read problem statement carefully sum + len*y == x **/ void solve(){ int n; cin >> n; LL res = 1e9; LL mnA = 1e9, mnB = 1e9; for(int i = 0; i < n; ++i){ LL a, b; cin >> a >> b; res = min({res, a+b, max(a, mnB), max(b, mnA)}); mnA = min(mnA, a); mnB = min(mnB, b); } cout << res << "\n"; } int main() { Fast; //louisfghbvc solve(); return 0; } /** Enjoy the problem. **/
#include<bits/stdc++.h> using namespace std; #define rep(i,x,y) for(int i=(int)(x);i<(int)(y);i++) #define print(A,x,n) rep(i,0,n){cout<<(i ? " ":"")<<A[i]x;}cout<<endl; #define pprint(A,y,m,n) rep(j,0,m){print(A[j],y,n);} const long mod=1e9+7; const int siz=2e5; const int inf=1e9; vector<pair<int,long>> g[siz]; long dist[siz]; void dfs(int v, int par, long d){ dist[v] = d; for(pair<int,long> p:g[v]){ int u = p.first; long w = p.second; if(u == par) continue; dfs(u, v, d ^ w); } } long calc(long x, int j){ rep(i,0,j) (x *= 2) %= mod; return x; } int main(){ int N; cin>>N; int a,b; long c; rep(i,0,N-1){ cin>>a>>b>>c; a--; b--; g[a].push_back({b, c}); g[b].push_back({a, c}); } dfs(0, -1, 0); long cnt[60] = {}; rep(i,0,N)rep(j,0,60){ if(dist[i] & (1L<<j)) cnt[j]++; } long ans = 0; rep(j,0,60) (ans += calc(cnt[j] * (N-cnt[j]) % mod, j)) %= mod; cout<<ans<<endl; }
//#pragma GCC optimize("Ofast") //#pragma GCC target("avx,avx2,fma") //#pragma GCC optimization ("unroll-loops") #include <bits/stdc++.h> using namespace std; using namespace chrono; #define ll long long #define ld long double #define mod 1000000007 #define pb push_back #define inf 1000000000000000000 #define ff first #define ss second #define deb(x) cout<<#x<<" "<<x<<"\n" #define Clear(x) memset(x,0,sizeof(x)) #define all(x) (x).begin(),(x).end() void checkpoint1() { /******think more code less******/ ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); freopen("Error.txt", "w", stderr); #endif } bool comp(pair< ll,ll > &a,pair< ll,ll > &b) { if(a.ff!=b.ff) return a.ff<b.ff; else { if(a.ss>b.ss) return b.ss<a.ss; else if(a.ss<b.ss) return a.ss<b.ss; } return a.ff>b.ff; } ll powe(ll a,ll b) { ll res=1; while(b>0) { if(b&1) { res*=a; res%=mod; } a*=a; a%=mod; b>>=1; } return res; } void terminAtor() { ll n; cin>>n; vector< pair< ll,ll > > adj[n+1]; for(ll i=1;i<n;i++) { ll x,y,z; cin>>x>>y>>z; adj[x].pb({z,y}); adj[y].pb({z,x}); } vector< bool > vis(n+1,0); vector< ll > dis(n+1,0); queue< ll > q; q.push(1); while(!q.empty()) { ll v=q.front(); q.pop(); vis[v]=1; for(auto u:adj[v]) { if(!vis[u.ss]) { q.push(u.ss); dis[u.ss]=dis[v]^u.ff; } } } ll ans=0; for(ll i=0;i<60;i++){ ll tot0=0,tot1=0; for(ll ii=1;ii<=n;ii++) { if(dis[ii]&(1LL<<i)) tot1++; else tot0++; } tot1*=tot0; tot1%=mod; ll ok=(1LL<<i); ok%=mod; tot1*=(ok); tot1%=mod; ans+=tot1; ans%=mod; } cout<<ans; } int main() { checkpoint1(); /********************************************************/ auto startrrr = high_resolution_clock::now(); cout << setprecision(20); /*******************************************************/ terminAtor(); /*******************************************************/ auto stoprrr = high_resolution_clock::now(); auto duration = duration_cast<microseconds>(stoprrr - startrrr); #ifndef ONLINE_JUDGE cerr << "Time: " << duration.count()/1000.0<<"\n"; #endif /*******************************************************/ return 0; }
/*~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~= *$* WRITER:kakitamasziru/OxOmisosiru *$* ~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=*/ #ifdef LOCAL_JUDGE #define _GLIBCXX_DEBUG #endif #include <fstream> #include <stdio.h> #include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <iomanip> //setprecision #include <map> // map #include <unordered_map> //unordered_map #include <queue> // queue, priority_queue #include <set> // set,multiset #include <stack> // stack #include <deque> // deque #include <math.h>//pow,,, #include <cmath>//abs,,, #include <bitset> // bitset #include <numeric> //accumulate,,, #include <sstream> #include <random> #include <initializer_list> #define endl "\n"; using namespace std; const long long INF = 4000000000000000001; const int inf = 1001001001; const long long MOD = 998244353; //const long long MAXIMUM = INFINITY; //Solve N^M. This, mod_pow use Iterative Square Method. long long mod_pow(long long N, long long M, long long mod) { if (M == 0) return 1; long long res = mod_pow((N * N) % mod, M / 2,mod); //When end-of-a bit is 1, times simple N. if (M & 1) res = (res * N) % mod; return res %= mod; } long long gcd(long long a, long long b) { if (b == 0) return a; else return gcd(b, a % b); } long long lcm(long long a, long long b) { return a / gcd(a, b) * b ; } long long get_mod(long long res){ if(res < 0) res += MOD; return res % MOD; } typedef tuple<int,long long,long long> tup; vector<vector<tup>> Edge(100005); vector<long long> pre(100005,-1); vector<long long> dist(100005,INF); void dijkstra(){ priority_queue<pair<long long,int>,vector<pair<long long,int>>,greater<pair<long long,int>>> PQ; PQ.emplace(0,0); dist.at(0) = 0; while(!PQ.empty()){ int now = PQ.top().second; long long d = PQ.top().first; PQ.pop(); if(dist.at(now) < d) continue; for(tup t : Edge.at(now)){ int to = get<0>(t); long long C = get<1>(t); long long D = get<2>(t); long long r = d; // rが一番いい時間として、Di/t+1 + t+1 の最小値は√Diで取る(それはそう) if(sqrt(D) < d) r = d; else r = sqrt(D); long long COST = C + D/(r+1); if(dist[to] > COST + r){ dist[to] = COST + r; PQ.emplace(COST+r , to); } } } } int main() { ios::sync_with_stdio(false); std::cin.tie(nullptr); /*FILE* in = freopen("answer.txt", "w", stdout); ifstream ifs("in.txt"); // 巨大ケースは in.txt に書いてifsで標準入力*/ int N;cin >> N; int M;cin >> M; for(int i = 0;i<M;i++){ int a,b;long long c,d;cin >> a >> b >> c >> d;a--;b--; if(a == b) continue; Edge.at(a).emplace_back(b,c,d); Edge.at(b).emplace_back(a,c,d); } dijkstra(); if(dist[N-1] == INF){ cout << -1 << endl; } else{ cout << dist[N-1] << endl; } }
#include <iostream> // cout, endl, cin #include <string> // string, to_string, stoi #include <vector> // vector #include <algorithm> // min, max, swap, sort, reverse, lower_bound, upper_bound #include <utility> // pair, make_pair #include <tuple> // tuple, make_tuple #include <cstdint> // int64_t, int*_t #include <cstdio> // printf #include <map> // map #include <queue> // queue, priority_queue #include <set> // set #include <stack> // stack #include <deque> // deque #include <unordered_map> // unordered_map #include <unordered_set> // unordered_set #include <bitset> // bitset #include <cctype> // isupper, islower, isdigit, toupper, tolower #include <iomanip> #include <limits> #include <math.h> #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define all(a) a.begin(),a.end() #define P pair<int,int> #define Pll pair<long,long> #define mp make_pair #define INF 1000000001 #define INFl 1000000000000000001 #define ll long long using namespace std; 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; } long time(long t,long c,long d){ if(t<0)return INFl; return c+d/(t+1); } struct edge{long to,c,d;}; int main() { int N,M;cin>>N>>M; int X,Y,V;//始点X終点Y頂点数V V=N; vector< vector< edge > > G(V,vector<edge>(0)); rep(i,M){ long a,b,c,d;cin>>a>>b>>c>>d; if(a==b)continue; a--;b--; edge e={b,c,d}; G[a].push_back(e); edge e2={a,c,d}; G[b].push_back(e2); } X=0;Y=N-1; vector<long>d(V,INFl); priority_queue<Pll,vector<Pll>,greater<Pll> > que; for(int i=0;i<V;i++){d[i]=INFl;} d[X]=0; que.push(Pll(0,X));//コスト,頂点 while(!que.empty()){ Pll p=que.top();que.pop(); long v=p.second; if(d[v]<p.first)continue; for(int i=0;i<G[v].size();i++){ edge e=G[v][i]; long to=e.to; long c=e.c; long t=d[v]; long D=e.d; long left=t; long right=INFl/10; for(int i=0;i<100;i++){ long c1=(left*2+right)/3; long c2=(left+right*2)/3; long a1=c1+time(c1,c,D); long a2=c2+time(c2,c,D); if(a1>=a2){ left=c1; }else{ right=c2; } } long cost=INFl; long pc=INFl; for(long x=250;x>=-250;--x){ if(left+x<t)break; cost=min(cost,left+x+time(left+x,c,D)); if(cost>pc)break; pc=cost; } //cout<<v<<" "<<to<<" "<<left<<" "<<cost<<endl; if(d[to]>cost){ d[to]=cost; que.push(Pll(d[to],to)); } } } if(d[Y]==INFl)cout<<-1<<endl; else cout<<d[Y]<<endl; }
#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<LL,int>; const LL INF = (LL)1e18; struct edge{ int to; LL T, K; edge(int to, LL T, LL K) : to(to), T(T), K(K) {} }; int main(){ int N, M, X, Y; cin >> N >> M >> X >> Y; X--; Y--; vector<vector<edge>> G(N); rep(i,M){ int a, b; LL t, k; cin >> a >> b >> t >> k; a--; b--; edge e1(b, t, k); edge e2(a, t, k); G[a].emplace_back(e1); G[b].emplace_back(e2); } priority_queue<P, vector<P>, greater<P>> q; vector<LL> dist(N, INF); dist[X] = 0; q.push(P(0, X)); while(!q.empty()){ P p = q.top(); q.pop(); int u = p.second; LL d = p.first; if(d > dist[u]) continue; for(auto e : G[u]){ int v = e.to; LL t = e.T, k = e.K; LL cost = t + k - d % k; if(d % k == 0) cost -= k; if(dist[v] < d + cost) continue; dist[v] = d + cost; q.push(P(dist[v], v)); } } LL ans = dist[Y]; if(ans == INF) ans = -1; cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; const int N=1e5+5; const int mod=1e9+7; bool visited[N]; long long dist[N]; vector<pair<int,pair<int,int>>>adj[N]; priority_queue<pair<long long,int>>pq; void Dijkstra() { int k,t,x,y; long long val; while(!pq.empty()) { val=-pq.top().first; x=pq.top().second; pq.pop(); if(visited[x])continue; visited[x]=1; for(auto it : adj[x]) { y=it.first; t=it.second.first; k=it.second.second; if(dist[y] > ((val+k-1)/k)*k+t) { dist[y]=((val+k-1)/k)*k+t; pq.emplace(-dist[y],y); } } } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int a,b,i,k,m,n,t,x,y; cin >> n >> m >> a >> b; while(m--) { cin >> x >> y >> t >> k; adj[x].push_back({y,{t,k}}); adj[y].push_back({x,{t,k}}); } for(i=1;i<=n;i++)dist[i]=LLONG_MAX; dist[a]=0; pq.emplace(0,a); Dijkstra(); if(dist[b] == LLONG_MAX)cout << "-1"; else cout << dist[b]; return 0; } //
#include <bits/stdc++.h> clock_t start; constexpr int H = 50, W = 50; int si, sj; int t[H][W], p[H][W]; struct cand { std::string s; int score, i, j; std::vector<bool> seen; bool operator<(const cand& rhs) const { return score < rhs.score; } bool valid(const char& c) { if (c == 'L') return (0 < j && !seen[t[i][j - 1]]); if (c == 'R') return (j < W - 1 && !seen[t[i][j + 1]]); if (c == 'U') return (0 < i && !seen[t[i - 1][j]]); if (c == 'D') return (i < H - 1 && !seen[t[i + 1][j]]); } cand move(const char& c) { cand ret = *this; ret.s.push_back(c); if (c == 'L') ret.j--; else if (c == 'R') ret.j++; else if (c == 'U') ret.i--; else ret.i++; ret.score += p[ret.i][ret.j]; ret.seen[t[ret.i][ret.j]] = true; return ret; } }; int main() { start = clock(); std::ios::sync_with_stdio(false); std::cin.tie(nullptr); std::cin >> si >> sj; for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) std::cin >> t[i][j]; for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) std::cin >> p[i][j]; constexpr int N = 1000; int n = 1; std::vector<bool> seen(H * W, false); seen[t[si][sj]] = true; cand ans = {"", p[si][sj], si, sj, seen}; std::vector<cand> c(N, ans); while (clock() - start <= 1.95 * CLOCKS_PER_SEC) { std::priority_queue<cand> pq; for (int i = 0; i < n; i++) { ans = std::max(ans, c[i]); if (c[i].valid('L')) pq.push(c[i].move('L')); if (c[i].valid('R')) pq.push(c[i].move('R')); if (c[i].valid('U')) pq.push(c[i].move('U')); if (c[i].valid('D')) pq.push(c[i].move('D')); } n = std::min(N, (int)pq.size()); for (int i = 0; i < n; i++) { c[i] = pq.top(); pq.pop(); } } std::cout << std::max(ans, c[0]).s << '\n'; }
#include<bits/stdc++.h> using namespace std; #define ll long long int #define absdiff(a,b) (a>b)?a-b:b-a #define mp make_pair #define pb push_back #define ff first #define ss second #define fast ios_base::sync_with_stdio(false);cin.tie(0); #define MOD 1000000007 #define ll_MAX 19223372036859 #define endl "\n" ll fast_expo(ll x,ll p){ if(p==0) return 1; else if(p%2==0){ ll t=fast_expo(x,p/2)%MOD;return (t*t)%MOD;} else return (x*(fast_expo(x,p-1))%MOD)%MOD;} ll dp[1005][1005], n, m, arr1[1005], arr2[1005]; vector<ll> AdjL[1005]; int main(){ fast #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif ll t_c; t_c = 1; // cin >> t_c; for(ll t_i = 0; t_i < t_c; ++t_i){ ll n, m; cin >> n >> m; ll a[n + 1], b[m + 1]; for(ll i = 1; i <= n; ++i) cin >> a[i]; for(ll i = 1; i <= m; ++i) cin >> b[i]; ll dp[n + 1][m + 1]; for(ll j = 0; j <= m; ++j){ dp[0][j] = j; } for(ll i = 1; i <= n; ++i){ dp[i][0] = i; for(ll j = 1; j <= m; ++j){ if(a[i] == b[j]) dp[i][j] = dp[i - 1][j - 1]; else dp[i][j] = min({dp[i - 1][j] + 1, dp[i][j - 1] + 1, dp[i - 1][j - 1] + 1}); } } cout << dp[n][m]; } return 0; }
#include<map> #include<set> #include<stack> #include<queue> #include<cmath> #include<cstdio> #include<cstring> #include<cstdlib> #include<iostream> #include<algorithm> #define NZB ios::sync_with_stdio(false) typedef long long ll; const int inf = 1e9 + 7; const int mod = 1e9 + 7; const int MAX_N = 1e3 + 7; using namespace std; int a[MAX_N], b[MAX_N]; int dp[MAX_N][MAX_N]; int main() { NZB; int N, M; cin>>N>>M; for(int i=1;i<=N;i++) cin>>a[i]; for(int i=1;i<=M;i++) cin>>b[i]; memset(dp, 63, sizeof(dp)); for(int i=0;i<=N;i++) { for(int j=0;j<=M;j++) { if(!i || !j) { dp[i][j] = max(i, j); continue; } dp[i][j] = min(dp[i][j-1], dp[i-1][j]) + 1; if(a[i] == b[j]) dp[i][j] = min(dp[i][j], dp[i-1][j-1]); else dp[i][j] = min(dp[i][j], dp[i-1][j-1] + 1); //printf("(%d,%d,%d)", i,j ,dp[i][j]); } } cout<<dp[N][M]<<endl; }
#include<bits/stdc++.h> using namespace std; long long n,L,A[2]; string s[200005]; int main() { cin>>n>>L; for(int i=1;i<=n;i++) cin>>s[i]; A[0]=1; for(int i=2;i<=n;i++) { int cnt=0; for(int j=0;j<L;j++) if(s[i][j]!=s[1][j]) cnt++; A[cnt%2]++; } cout<<A[0]*A[1]; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long;//大きなint型 using ld = long double;//大きなdouble型 using P = pair<int,int>;//pair型の型エイリアス #define rep(i,n) for (int i = 0; i < (n); ++i)//iをnまですすめる。 #define PI 3.14159265359 int main(){ int n,m; int ans = 0; int last_ans = 0; cin>>n>>m; int sara[n+1] = {0}; vector<int> a(m),b(m); rep(i,m) cin>>a.at(i)>>b.at(i); int k; cin>>k; vector<int> c(k),d(k); rep(i,k) cin>>c.at(i)>>d.at(i); //bit全探索 for(int bit = 0;bit < (1 << k); ++bit){ rep(i,n+1) sara[i]=0; ans = 0; rep(i,k){ if(bit & (1<<i)){//True sara[d.at(i)] = 1; } else sara[c.at(i)] = 1; } rep(i,m){ //条件確認 if(sara[a.at(i)] == 1 && sara[b.at(i)] == 1) ans++; } last_ans = max(ans,last_ans);//達成した条件数が大きいほうを保存 } cout << last_ans; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef unsigned long long ull; const int MAXN = 110; int a[MAXN], b[MAXN]; int ball[MAXN]; int c[20], d[20]; int n, m, k; int ans = 0; void dfs(int x) { if (x > k) { int cnt = 0; // for (int i = 1; i <= n; i++) { // cout << ball[i] << " "; // } // cout << endl; for (int i = 1; i <= m; i++) { if (ball[a[i]] && ball[b[i]]) { //cout << c[i] << " " << d[i] << endl; cnt++; } } //cout << "cnt:" << cnt << endl; ans = max(ans, cnt); return; } ball[c[x]]++; dfs(x + 1); ball[c[x]]--; ball[d[x]]++; dfs(x + 1); ball[d[x]]--; } int main() { cin >> n >> m; for (int i = 1; i <= m; i++) { cin >> a[i] >> b[i]; } cin >> k; for (int i = 1; i <= k; i++) { cin >> c[i] >> d[i]; } dfs(1); cout << ans; return 0; }
# include<bits/stdc++.h> using namespace std; # define l long long # define db double # define rep(i,a,b) for(l i=a;i<b;i++) # define vi vector<l> # define vvi vector<vi> # define vsi vector<set<l> > # define pb push_back # define mp make_pair # define ss second # define ff first # define pii pair<l,l> # define trvi(v,it) for(vi::iterator it=v.begin();it!=v.end();++it) # define read(a) freopen(a,"r",stdin) # define write(a) freopen(a,"w",stdout) # define io ios::sync_with_stdio(false) template<typename A, typename B> ostream& operator<<(ostream &os, const pair<A, B> &p) { return os << '(' << p.first << ' ' << p.second << ')'; } template<typename T_container, typename T = typename enable_if<!is_same<T_container, string>::value, typename T_container::value_type>::type> ostream& operator<<(ostream &os, const T_container &v) { os << '{'; string sep; for (const T &x : v) os << sep << x, sep = ", "; return os << '}'; } #ifdef KRISHNAN_DEBUG void dbg_out() { cerr << endl; } template<typename Head, typename... Tail> void dbg_out(Head H, Tail... T) { cerr << ' ' << H; dbg_out(T...); } #define dbg(...) cerr << "(" << #__VA_ARGS__ << "):", dbg_out(__VA_ARGS__) #else #define dbg(...) #endif const bool MULTIPLE_TEST_CASES = false; const l MOD=1e9+7; const l N=1e5+5; const l INF=1e12; void solve() { l n,m; cin>>n>>m; cout<<(m%n==0?"Yes":"No")<<"\n"; return; } int main(){ io; int t=1; if (MULTIPLE_TEST_CASES) cin>>t; rep(i,0,t) { solve(); } return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; const int MOD=1000000007; #define INF 1LL<<30 #define rep(i,n) for (int i = 0; i < (n); ++i) #define all(x) (x).begin(),(x).end() int main(){ int n; cin>>n; vector<pair<int,string>> v(n); rep(i,n){ string s; int t; cin>>s>>t; v[i]={t,s}; } sort(all(v)); cout<<v[n-2].second<<endl; }
#include<bits/stdc++.h> using namespace std; const int M=1e5+5; const int P=1e9+7; int n,A[M]; long long dp[M][2]; void Dp() { dp[0][0]=dp[1][0]=dp[1][1]=1; for(int i=2;i<=n;i++) { dp[i][0]=(dp[i-1][0]+dp[i-1][1])%P; dp[i][1]=dp[i-1][0]; // printf("%d dp [0] %lld [1] %lld\n",i,dp[i][0],dp[i][1]); } } void Solve() { Dp(); long long Add=0,Sub=0; for(int i=1;i<=n;i++)(Add+=A[i]*dp[i-1][0]%P*dp[n-i+1][0])%=P;//,printf("%d Add %lld*%lld\n",i,dp[i-1][0],dp[n-i][0]%P); for(int i=2;i<=n;i++)(Sub+=A[i]*dp[i-1][1]%P*dp[n-i+1][1])%=P; // printf("%lld %lld\n",Add,Sub); printf("%lld\n",(Add+P-Sub)%P); } int main() { scanf("%d",&n); for(int i=1;i<=n;i++)scanf("%d",&A[i]); Solve(); return 0; }
#include<bits/stdc++.h> using namespace std; #define lli long long int #define nl "\n" #define pb(k) push_back(k) #define vi vector<int> bool ispali(string s) { bool ispalin = true; int i = 0 ; int j = s.size() - 1 ; while(i<j) { if(s[i]!=s[j]) { ispalin = false; } i++; j--; } return ispalin; } float distance(int x1, int y1, int x2, int y2) { // Calculating distance return sqrt(pow(x2 - x1, 2) + pow(y2 - y1, 2) * 1.0); } void solve() { int n; cin>>n; vi input1; vi input2; for(int i = 0 ; i<n ; ++i) { int k ; cin>>k; input1.pb(k); } for(int i = 0 ; i<n ; ++i) { int k ; cin>>k; input2.pb(k); } int sum = 0 ; for(int i = 0 ; i<n ; ++i) { sum += input1[i]*input2[i]; } if(sum==0) { cout<<"Yes"<<nl; } else { cout<<"No"<<nl; } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt" , "r" , stdin); freopen("output.txt" , "w" , stdout); #endif solve(); } //river //
#include <bits/stdc++.h> #define ll long long int #define pii pair <int, int> #define pb push_back #define M 1000000007 #define umap unordered_map #define uset unordered_set #define endl "\n" #define loop(i,x,n) for(ll i = x; i < n; i++) #define rloop(i,x,n) for(ll i = n-1; i >= x ; i--) #define SPEED ios::sync_with_stdio(false); cin.tie(0); cout.tie(0) #define vi vector <ll> #define all(x) x.begin(), x.end() #define yes cout << "YES\n" #define no cout << "NO\n" #define f first #define s second using namespace std; void seive(int N) { // move it up vi isprime(N , true); vi prime; vi SPF(N); vi primes; // this block isprime[0] = isprime[1] = false ; for (ll i = 2; i < N ; i++) { if (isprime[i]) { prime.push_back(i); SPF[i] = i; } for (ll j = 0; j < (int)prime.size() && i * prime[j] < N && prime[j] <= SPF[i]; j++) { isprime[i * prime[j]] = false; SPF[i * prime[j]] = prime[j] ; } } for (int i = 0; i < prime.size() && prime[i] <= N ; i++) primes.pb(prime[i]); } bool is_prime(ll n) { if (n == 1) { return false; } int i = 2; while (i * i <= n) { if (n % i == 0) { return false; } i += 1; } return true; } long long exponensiation(long long a, long long b) { a %= M; long long res = 1; while (b > 0) { if (b & 1) res = res * a; a = a * a % M; b >>= 1; } return res; } //____________________________________________________________________________________________ vector <ll> dic; void pre() { ll x = 0; for (int i = 1; i < 1000000; i++) { x += i; dic.pb(x); } } void solve() { ll x; cin >> x; ll ans = lower_bound(dic.begin(), dic.end(), x) - dic.begin() + 1; cout << ans << '\n'; } //____________________________________________________________________________________________ int main() { //____________________________________________________________________________________________ //#ifndef ONLINE_JUDGE // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); //#endif //____________________________________________________________________________________________ SPEED; pre(); double T = 1; //cin >> T; while (T--) { solve(); } return 0; }
/***************************** * Author :: Πρασαννα Κ. Ροι * *****************************/ /*********************************** * Unus pro omnibus, omnes pro uno * ***********************************/ #include<bits/stdc++.h> using namespace std; using namespace std::chrono; #define __AcHiLlEs ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define int long long #define span(a) begin(a), end(a) template<typename t> using vc = vector<t>; int bSearch(int val) { int l = 0, r = 100000; while (r - l > 1) { int m = (l + r) >> 1; int sum = (m * (m + 1)) / 2; if (sum >= val) r = m; else l = m; } return r; } void solve() { int n; cin >> n; cout << bSearch(n) << "\n"; } signed main() { // auto start = high_resolution_clock::now(); __AcHiLlEs int t(1); // cin >> t; for (int i = 1; i <= t; /*cout << "Case " << i << ": ",*/ solve(), i++); // auto stop = high_resolution_clock::now(); // double duration = duration_cast<microseconds>(stop - start).count(); // cout << fixed << setprecision(4) << duration / 1000000 << "\n"; return 0; }
#include <algorithm> #include <cassert> #include <cmath> #include <iostream> #include <map> #include <stack> #include <queue> #include <vector> static const int IINF = 1 << 30; static const long long LINF = 1LL << 60; static const long long MOD = 1.0e+9 + 7; template <typename T> std::vector<T> vectors(std::size_t n, T val) { return std::vector<T>(n, val); } template <typename T, typename... Args> auto vectors(std::size_t n, Args... args) { return std::vector<decltype(vectors<T>(args...))>(n, vectors<T>(args...)); } template <class T> inline bool chmin(T &a, const T &b) { return (a > b) ? a = b, true : false; } template <class T> inline bool chmax(T &a, const T &b) { return (a < b) ? a = b, true : false; } template <class T> inline void chadd(T &a, const T &b) { a += b, a %= MOD; // TODO minus case } template <class T> std::ostream &operator<<(std::ostream &stream, const std::vector<T> &vec) { for (auto val : vec) { if (std::is_fundamental<T>::value) stream << " " << val; else stream << std::endl << val; } return stream; } int main() { int n; std::cin >> n; std::vector<std::string> s(n); std::vector<std::pair<int, int>> ti(n); for (int i = 0; i < n; ++i) { int tmp; std::cin >> s[i] >> tmp; ti[i] = std::make_pair(tmp, i); } std::sort(ti.begin(), ti.end(), std::greater<std::pair<int, int>>()); std::cout << s[ti[1].second] << std::endl; }
#include <iostream> #include <vector> #include <map> #include <set> #include <queue> #include <algorithm> #include <string> #include <cmath> #include <cstdio> #include <iomanip> #include <fstream> #include <cassert> #include <cstring> #include <unordered_set> #include <unordered_map> #include <numeric> #include <ctime> #include <bitset> #include <complex> #include <chrono> #include <random> #include <functional> using namespace std; signed main() { ios_base::sync_with_stdio(false); cin.tie(0); int n; cin >> n; vector<pair<int, string>> a(n); for (auto &[f, s] : a) { cin >> s >> f; } sort(a.rbegin(), a.rend()); cout << a[1].second << endl; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define tej ios_base::sync_with_stdio(false),cin.tie(0),cout.tie(0); #define ve vector<int> #define vl vector<long long int> #define vp vector<pair<long long int,long long int>> #define pb push_back #define fi first #define se second #define pb push_back #define pf push_front #define bp pop_back #define fp pop_front #define mp make_pair #define fo(i,n) for(i=0;i<n;i++) #define unq(v) unique(v.begin(), v.end())-v.begin() #define fnd(v,a) find(v.begin(), v.end(), a) #define uprb(v,a) upper_bound(v.begin(), v.end(), a) #define upra(v,n,a) upper_bound(v, v+n, a) #define lowb(v,a) lower_bound(v.begin(), v.end(), a) #define lowa(v,n,a) lower_bound(v, v+n, a) #define newuv(v) v.erase(unique(v.begin(),v.end()),v.end()) #define rev(v) reverse(v.begin(),v.end()) #define rndshf(v) random_shuffle(v.begin(),v.end()) #define all(v) v.begin(),v.end() // ll po(ll a,ll b,ll m) // { // ll t=1; // while(b>0) // { // if(b%2!=0) // { // t=(t*a)%m; // } // a=(a*a)%m; // b=b/2; // } // return t; // } // ll po(ll a,ll b) // { // ll t=1; // while(b>0) // { // if(b%2!=0) // { // t=(t*a); // } // a=(a*a); // b=b/2; // } // return t; // } // ll inv(ll a,ll m) // { // return po(a,m-2,m); // } // ll vis[100002]={0},x=0; // vl v[100002]; // ll dfs(ll s) // { // ll c=1,i; // for(i=0;i<v[s].size();i++) // { // if(vis[v[s][i]]==0) // { // vis[v[s][i]]=1; // c+=dfs(v[s][i]); // } // } // x+=c-1; // //cout<<x<<endl; // return c; // } //map<ll,ll>m; void solve() { ll n,m,i,x,mi,c=0; cin>>n>>m; vl v,v1; fo(i,m) { cin>>x; v.pb(x); } if(n==m) { cout<<0; return; } else if(m==0) { cout<<1; return; } sort(all(v)); if(v[0]!=1) v1.pb(v[0]-1); for(i=1;i<m;i++) { if(v[i]-v[i-1]-1>0) v1.pb(v[i]-v[i-1]-1); } if(v[m-1]!=n) v1.pb(n-v[m-1]); if(v1.size()==0){ cout<<"0\n"; return ; } sort(all(v1)); mi=v1[0]; c=0; fo(i,v1.size()) { c+=v1[i]/mi; if(v1[i]%mi!=0) c++; } cout<<c; } int main() { tej ll t=1; // cin>>t; while(t--) solve(); return 0; }
#include <algorithm> #include <iostream> #include <vector> int main() { int n, m; std::cin >> n >> m; std::vector<int> a(m); for (int mi = 0; mi < m; ++mi) std::cin >> a[mi]; std::vector<int> lengths; std::sort(a.begin(), a.end()); for (int mi = 0; mi < m; ++mi) { int prev = (mi == 0 ? 0 : a[mi - 1]); if (a[mi] - prev - 1 > 0) lengths.push_back(a[mi] - prev - 1); } if (n - (a.size() > 0 ? a.back() : 0) > 0) lengths.push_back(n - (a.size() > 0 ? a.back() : 0)); if (lengths.empty()) { std::cout << 0 << std::endl; return 0; } std::sort(lengths.begin(), lengths.end()); int k = lengths[0]; int ans = 0; for (int len : lengths) { ans += (len + k - 1) / k; } std::cout << ans << std::endl; }
#include <bits/stdc++.h> using namespace std; #define all(x) x.begin(), x.end() #define rall (x) x.rbegin(), x.rend() #define pb push_back #define eb emplace_back #define mp make_pair typedef long long ll; typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<ll> vll; const int MOD = 1e9+7; int main(){ ios::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr); vi arr(4); int cs = 0; for (auto &i: arr) cin >> i, cs += i; bool pos = false; for (int i=0; i<4; i++){ if (arr[i]==cs-arr[i]) pos = true; } for (int i=0; i<4; i++) for (int j=i+1; j<4; j++){ int cur = arr[i]+arr[j]; if (2*cur==cs) pos = true; } cout << (pos?"Yes\n":"No\n"); }
#include <iostream> #include <cmath> #include <string> #include <algorithm> #include <vector> #include <queue> #include <stack> #include <tuple> #include <utility> #include <functional> #include <set> #include <map> #include <bitset> #include <list> #include<iomanip> using namespace std; using ll = long long; using ULL = unsigned long long; using pll = std::pair<ll, ll>; using vi = std::vector<int>; using vl = std::vector<ll>; using vb = std::vector<bool>; using db = double; using vdb = std::vector<db>; using qlg= std::priority_queue<ll, vl, std::greater<ll> > ; //ascending using qll= std::priority_queue<ll, vl, std::less<ll> > ; // descending using qdg= std::priority_queue<db, vdb, std::greater<db> > ; //ascending using qdl= std::priority_queue<db, vdb, std::less<db> > ; // descending template<class T> using vv = std::vector<std::vector<T> >; #define REPL(i, n) for (ll i = 0; i < (ll)(n); i++) #define FORL(i, a, b) for (ll i = (ll)(a); i < (ll)(b); i++) #define REP(i, n) FORL(i, 0, n) #define MREP(i, n) for (ll i= (ll)(n)-1; i>=0; i-- ) #define MFOR(i, a, b) for (ll i = (ll)(b)-1; i >= (ll)(a); i--) #define rrep(i, n) for (int i = (int)(n)-1; i >= 0; i--) #define rreps(i, a, b) for (int i = (int)(b)-1; i >= (int)(a); i--) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() #define bit(n) (1LL << (n)) #define INF pow(10, 10) int main(void) { ll Sc, P, N, M, Q, A, B, C, D, K, T; string Str, Pat, Text; cin >> N >> M >> T; vv<ll> times(M, vl(2, 0) ); REP(i, M) { cin >> times[i][0] >> times[i][1]; } bool res = true; ll rem = N; ll time = 0; REP(i, M) { rem -= times[i][0] - time; if(rem<=0) { res = false; break; } rem = min(rem+times[i][1]-times[i][0], N); time = times[i][1]; } rem -= T-time; if(rem <= 0) res = false; if(res) cout << "Yes"<<endl; else cout << "No" << endl; return 0; }
// Problem: A - Not coprime // Contest: AtCoder - AtCoder Regular Contest 114 // URL: https://atcoder.jp/contests/arc114/tasks/arc114_a // Memory Limit: 1024 MB // Time Limit: 2000 ms // // Powered by CP Editor (https://cpeditor.org) /* Author : Atahar Islam Shihab ICT'16th Batch,MBSTU */ #include<bits/stdc++.h> using namespace std; #define pb push_back #define mp make_pair #define fst first #define snd second #define ll long long #define maxele(v) *max_element(v.begin(),v.end()) #define minele(v) *min_element(v.begin(),v.end()) #define deb(x) cout << #x << " -> " << x << endl #define deb2(x, y) cout << #x << " -> " << x << " || " << #y << " -> " << y << endl #define fast (ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0)) #define all(v) v.begin(),v.end() #define sz(x) x.size(); #define clr(x) memset(x, 0, sizeof(x)) typedef pair<int, int> pii; typedef pair<ll, ll> pl; typedef vector<int> vi; typedef vector<ll> vl; const int mxn = 100005; int main() { fast; int tc ; int n; cin >> n; vector<ll>v(n); for(int i=0;i<n;++i){ cin >> v[i]; } sort(all(v)); vector<ll>prime; for(int i=2;i<=50;++i){ bool ok = true; for(int j=2;j*j<=i;++j){ if (i%j==0) { ok=false; break; } } if (ok) prime.pb(i); } vector<ll>sub; for(ll i=0; i< (1<<15) ;++i){ ll res=1; for(ll j=0;j<15;++j){ if (i&(1<<j)){ res*=prime[j]; } } if (res>1) sub.pb(res); } sort(all(sub)); ll ans=0; for(int i=0;i<sub.size();++i){ bool ok = true; for(int j=0;j<n;++j){ if (__gcd(sub[i],v[j])<2){ ok=false; break; } } if (ok){ cout << sub[i] <<'\n'; break; } } return 0; }
#include<bits/stdc++.h> #define L(i, j, k) for(int i = j, i##E = k; i <= i##E; i++) #define R(i, j, k) for(int i = j, i##E = k; i >= i##E; i--) #define ll long long #define ull unsigned long long #define db double #define pii pair<int, int> #define mkp make_pair #define sz(a) ((int) (a).size()) using namespace std; const int N = 1e5 + 7; int n, Prime[N], p[N], tot; ll a[N], ans = 7e18; int main() { ios::sync_with_stdio(false); cin.tie(0), cout.tie(0); cin >> n; L(i, 1, n) cin >> a[i]; L(i, 2, 50) Prime[i] = true; L(i, 2, 50) L(j, 2, 50 / i) Prime[i * j] = false; L(i, 2, 50) if(Prime[i]) p[++tot] = i; L(i, 1, (1 << tot) - 1) { ll val = 1; L(j, 1, tot) if(i >> (j - 1) & 1) val *= p[j]; bool ok = true; L(j, 1, n) { if(__gcd(a[j], val) == 1) { ok = false; break; } } if(ok) ans = min(ans, val); } cout << ans << "\n"; return 0; }
#include<iostream> #include<vector> using namespace std; using ll=long long; int main(){ int n,k;cin>>n>>k; vector<vector<ll>>f(n+1,vector<ll>(n+1,-1)); ll right=0,left=-1; for(int y=0;y<n;y++){ for(int x=0;x<n;x++){ cin>>f.at(x+1).at(y+1); right=max(right,f.at(x+1).at(y+1)); } } while(right-left>1){ ll mid=(right+left)/2; vector<vector<ll>>s(n+1,vector<ll>(n+1,0)); bool judge=false; for(int y=1;y<=n;y++){ for(int x=1;x<=n;x++){ s.at(x).at(y)=s.at(x-1).at(y)+s.at(x).at(y-1)-s.at(x-1).at(y-1); if(f.at(x).at(y)>mid)s.at(x).at(y)++; } } for(int y=1;y+k-1<=n;y++){ for(int x=1;x+k-1<=n;x++){ ll tmp=s.at(x+k-1).at(y+k-1)-s.at(x-1).at(y+k-1)-s.at(x+k-1).at(y-1)+s.at(x-1).at(y-1); if(tmp<(k*k)/2+1)judge=true; } } if(judge)right=mid; else left=mid; } cout<<right<<endl; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define pb pushback #define fr(i,n) for(int i=0;i<n;i++) #define fro(i,j,n) for(int i=j;i<n;i++) #define ifr(i,n) for(int i=n-1;i>=0;i--) int main() { int h,w; cin >> h>>w; string s[h]; int ans=0; fr(i,h){ cin >> s[i]; } fr(i,h-1){ fr(j,w-1){ int count=0; if(s[i][j]=='#')count++; if(s[i+1][j]=='#')count++; if(s[i][j+1]=='#')count++; if(s[i+1][j+1]=='#')count++; if(count==1||count==3)ans++; } } cout << ans << endl; }
#include<bits/stdc++.h> #define rep(i,n) for(int i = 0; i < (n); ++i) using namespace std; #define pri(str) cout << str << endl using ll = long long; using P = pair<int, int>; const ll MX = 1e18; const long double PI = acos(-1); 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; } template<class T> inline vector<T> divisor(T n) { vector<T> ret; for (T i = 1; i * i <= n; i++) { if (n % i == 0) { ret.push_back(i); if (i * i != n) ret.push_back(n / i); } } sort(ret.begin(), ret.end()); return ret; } template<class T> inline vector<pair<T, T>> prime_factor(T n) { vector<pair<T, T>> ret; for (T i = 2; i * i <= n; i++) { if (n % i != 0) continue; T tmp = 0; while (n % i == 0) { tmp++; n /= i; } ret.push_back(make_pair(i, tmp)); } if (n != 1) ret.push_back(make_pair(n, 1)); return ret; } int main() { int n; cin >> n; vector<int> a(n); rep(i, n){cin >> a[i]; a[i]--;} vector<int> b(n); rep(i, n){cin >> b[i]; b[i]--;} vector<int> c(n); rep(i, n){cin >> c[i]; c[i]--;} vector<int> bc(n); rep(i, n) bc[b[c[i]]] += 1; ll count = 0; rep(i, n) { count += bc[a[i]]; } pri(count); return 0; }
#include<bits/stdc++.h> #define int long long #define uc getchar() #define ph putchar #define R register #define CN const #define rint R int #define cint CN int #define ps ph(' ') #define pe ph('\n') using namespace std; cint inf=1e9+7; cint mix=2e7+5; inline int in(); inline void out(rint x); int n=in(),k=in(); int c[10],nt; inline int f(rint x){ nt=0; while(x)c[++nt]=x%10,x/=10; sort(c+1,c+nt+1); //cerr<<nt<<endl; rint rt=0; for(rint i=1;i<=nt;++i) (rt*=10)+=c[nt+1-i]-c[i]; return rt; } #undef int int main() { #define int long long while(k--)n=f(n); out(n),pe; } inline int in() { rint x=0; R bool f=0; R char s=uc; while((s<'0'||'9'<s)&&s!='-')s=uc; if(s=='-')f=1,s=uc; while('0'<=s&&s<='9')(x*=10)+=s^48,s=uc; return f?-x:x; } inline void out(rint x) { if(x<0)ph('-'),x=-x; rint y=x/10; if(y)out(y); ph((x-y*10)^48); }
//#include <atcoder/all> //using namespace atcoder; #include <bits/stdc++.h> using namespace std; typedef long long ll; #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 ALL(v) v.begin(), v.end() #define SIZE(x) int(x.size()) 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 int INF = 2e9; const ll LINF = (1LL<<60); const int mod = 1000000007; //const int mod = 998244353; struct mint { ll x; mint(ll 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(ll t) const { if (!t) return 1; mint a = pow(t>>1); a *= a; if (t&1) a *= *this; return a; } // for prime mod 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, const mint& a) { return is >> a.x;} ostream& operator<<(ostream& os, const mint& a) { return os << a.x;} int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t; cin >> t; while(t--){ int n,a,b; cin >> n >> a >> b; if(n-a-b<0){ cout << 0 << endl; continue; } mint ans = mint(n-a-b+2) * (n-a-b+1); ans = mint(n-a+1)*(n-b+1) - ans; ans *= ans; mint total = mint(n-a+1).pow(2) * mint(n-b+1).pow(2); cout << total - ans << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,x,n) for(int i=x;i<(int)n;++i) #define sp(p) cout<<setprecision(16)<<fixed<<p<<endl; #define out(a) cout<<a<<endl; #define vout(v) rep(i,0,v.size())cout<<v[i]<<(i==v.size()-1?"\n":" "); #define vvout(vv) rep(j,0,vv.size()){vout(vv[j])} #define mout(m) for(auto&e:m)cout<<e.first<<": "<<e.second<<endl; #ifdef _CHK_ #define chk(a) if constexpr(_CHK_){cout<<#a<<": ";out(a)} #define vchk(v) if constexpr(_CHK_){cout<<#v<<": ";vout(v)} #define vvchk(vv) if constexpr(_CHK_){cout<<#vv<<": "<<endl;vvout(vv)} #define mchk(m) if constexpr(_CHK_){cout<<#m<<": "<<endl;mout(m)} #else #define chk(a) {} #define vchk(v) {} #define vvchk(vv) {} #define mchk(m) {} #endif vector<vector<int64_t>> adj; vector<int64_t> depth; vector<int64_t> imos; vector<int64_t> score; void get_score(int64_t now, int64_t prv, int64_t scr){ scr += imos[now]; score[now] = scr; for (auto& nxt: adj[now]) { if(nxt==prv) continue; get_score(nxt, now, scr); } } void get_depth(int64_t now, int64_t prv, int64_t dpt){ depth[now] = dpt; for (auto& nxt: adj[now]) { if(nxt==prv) continue; get_depth(nxt, now, dpt+1); } } int main(){ int64_t N; cin>>N; adj.resize(N); vector<int64_t> A(N); vector<int64_t> B(N); for(int i = 0 ; i < N-1 ; i++){ int64_t a,b; cin>>a>>b; --a;--b; adj[a].emplace_back(b); adj[b].emplace_back(a); A[i]=a; B[i]=b; } vvchk(adj) depth.resize(N); get_depth(0, -1, 0); vchk(depth) int64_t Q; cin>>Q; imos.resize(N); for(int i = 0 ; i < Q ; i++){ int64_t t,e,x; cin>>t>>e>>x; --e; int64_t a=A[e], b=B[e]; if(t==2) swap(a,b); if(depth[a]<depth[b]){ imos[0]+=x; imos[b]-=x; }else{ imos[a]+=x; } } vchk(imos) score.resize(N); get_score(0, -1, 0); for (auto& e: score) { out(e); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int_; # define rep(i,a,b) for(int i=(a); i<=(b); ++i) inline int readint(){ int a = 0; char c = getchar(), f = 1; for(; c<'0'||c>'9'; c=getchar()) if(c == '-') f = -f; for(; '0'<=c&&c<='9'; c=getchar()) a = (a<<3)+(a<<1)+(c^48); return a*f; } const int MaxN = 1000000; int_ dp[5][3*MaxN+1]; int main(){ int n = readint(), sum, A, B; dp[0][0] = 1; rep(i,1,3) rep(j,i,i*n){ dp[i][j] = dp[i][j-1]+dp[i-1][j-1]; if(j > n) dp[i][j] -= dp[i-1][j-n-1]; // printf("dp[%d,%d] = %d\n",i,j,dp[i][j]); } int_ k; scanf("%lld",&k); for(sum=3; k>dp[3][sum]; ++sum) k -= dp[3][sum]; for(A=1; k>dp[2][sum-A]; ++A) k -= dp[2][sum-A]; for(B=1; k>dp[1][sum-A-B]; ++B) k -= dp[1][sum-A-B]; printf("%d %d %d\n",A,B,sum-A-B); return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<n;++i) #define repn(i,n) for(int i=1;i<=n;++i) #define LL long long #define pii pair <int,int> #define pb push_back #define fi first #define se second #define mpr make_pair using namespace std; const LL MOD=1e9+7; LL n,t; LL calc(LL sum) { LL lb=sum-n,ub=sum-1; lb=max(lb,2LL);ub=min(ub,n*2); if(ub<n+1) return (lb+ub-2)*(ub-lb+1)/2; if(lb>n+1) return (n*4-lb-ub+2)*(ub-lb+1)/2; return (lb+n-1)*(n-lb+2)/2+(n*3-ub+1)*(ub-n)/2-n; } LL calc2(LL sum,LL i) { if(sum-i<2||sum-i>2*n) return 0; if(sum-i<=n+1) return sum-i-1; return n*2-(sum-i)+1; } int main() { cin>>n>>t; LL sum; for(LL i=3;;++i) { LL val=calc(i); if(t-val<=0) { sum=i; break; } t-=val; } LL bea; for(LL i=1;;++i) { if(t-calc2(sum,i)<=0) { bea=i; break; } t-=calc2(sum,i); } LL tas=1;if(sum-bea-1>n) tas+=sum-bea-1-n; tas+=t-1; cout<<bea<<' '<<tas<<' '<<sum-bea-tas<<endl; return 0; }
#include <bits/stdc++.h> //#include <atcoder/all> #define For(i, a, b) for (int(i) = (int)(a); (i) < (int)(b); ++(i)) #define rFor(i, a, b) for (int(i) = (int)(a)-1; (i) >= (int)(b); --(i)) #define rep(i, n) For((i), 0, (n)) #define rrep(i, n) rFor((i), (n), 0) #define fi first #define se second using namespace std; typedef long long lint; typedef unsigned long long ulint; typedef pair<int, int> pii; typedef pair<lint, lint> pll; 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 (a > b) { a = b; return true; } return false; } template <class T> T div_floor(T a, T b) { if (b < 0) a *= -1, b *= -1; return a >= 0 ? a / b : (a + 1) / b - 1; } template <class T> T div_ceil(T a, T b) { if (b < 0) a *= -1, b *= -1; return a > 0 ? (a - 1) / b + 1 : a / b; } constexpr lint mod = 1000000007; constexpr lint INF = mod * mod; constexpr int MAX = 200010; int main() { int n; scanf("%d", &n); double x[n]; rep(i, n) scanf("%lf", &x[i]); { double ans = 0; rep(i, n) ans += abs(x[i]); printf("%.10lf\n", ans); } { double ans = 0; rep(i, n) ans += x[i] * x[i]; printf("%.10lf\n", sqrt(ans)); } { double ans = 0; rep(i, n) chmax(ans, abs(x[i])); printf("%.10lf\n", ans); } }
#include "bits/stdc++.h" using namespace std; using ll = long long; int main() { int n; cin >> n; vector<ll> x(n); for (int i = 0; i < n; i++) { cin >> x[i]; } ll d1, d2; ll d3; d1 = 0; d2 = 0; d3 = 0; for (int i = 0; i < n; i++) { d1 += abs(x[i]); d2 += x[i] * x[i]; d3 = max(d3, abs(x[i])); } long double d4 = sqrt(d2); cout << d1 << endl; cout << setprecision(20) << d4 << endl; cout << (ll)d3 << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define REP(i, j, k) for (int i = j; i < k; i++) #define RREP(i, j, k) for (int i = j; i >= k; i--) typedef long long ll; #define ALL(x) x.begin(), x.end() #define pb push_back typedef vector<int> vi; typedef vector<ll> vll; #define MAXN 5005 #define MOD 998244353 int n, m; ll pw[MAXN][MAXN]; ll ans; int main() { scanf("%d%d", &n, &m); ans = n; REP (i, 0, n) { ans = ans * m % MOD; } REP (i, 0, MAXN) { pw[i][0] = 1; REP (j, 1, MAXN) { pw[i][j] = pw[i][j - 1] * i % MOD; } } REP (i, 0, m) { REP (j, 0, n - 1) { ans -= pw[i][j] * (n - j - 1) % MOD * pw[m][n - j - 2] % MOD; ans = (ans + MOD) % MOD; } } printf("%lld\n", ans); return 0; }
#include <iostream> #include <algorithm> #include <numeric> #include <vector> #include <string> #include <map> #include <set> #include <queue> #include <deque> #include <stack> #include <iomanip> #include <functional> #include <bitset> #include <limits> #include <cstdio> #include <cmath> #include <cassert> #include <random> #ifdef DEBUG #include "library/Utility/debug.cpp" #else #define debug(...) #endif #define rep(i,n) for(int i=0;i<(n);++i) #define EL '\n' #define print(i) std::cout << (i) << '\n' #define all(v) (v).begin(), (v).end() using lnt = long long; struct FIO{FIO(){std::cin.tie(0);std::ios_base::sync_with_stdio(0);std::cout<<std::fixed<<std::setprecision(15);}}fIO; template<typename T> using V = std::vector<T>; template<typename T> void fill(V<T>&v) { for(T&e:v) std::cin >> e; } /*-*/ constexpr lnt MOD = 998244353; struct mint { lnt v; mint():v(0){} mint(lnt v):v((v+MOD)%MOD){} mint operator-()const{ return mint(0) - *this; } mint& operator+=(const mint& a){ if((v+=a.v)>=MOD) v-=MOD; return *this; } mint& operator-=(const mint& a){ if((v+=MOD-a.v)>=MOD) v-=MOD; return *this; } mint& operator*=(const mint& a){ (v*=a.v)%=MOD; return *this; } mint& operator/=(const mint& a){ (*this) *= a.inv(); 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 operator/(const mint& a)const{ return mint(*this) /= a; } bool operator<(const mint& a)const{ return v < a.v; } bool operator==(const mint& a)const{ return v == a.v; } mint pow(lnt k)const{ mint r(1),t(v); while(k){ if(k&1) r*=t; t*=t; k>>=1; } return r; } mint inv()const{ return pow(MOD-2); } static mint comb(lnt n, lnt k) { if(n-k<k) k=n-k; mint num(1), dom(1); for(int i=0;i<k;i++) { num*=n-i; dom*=i+1; } return num/dom; } static std::vector<mint> construct_comb(int n) { std::vector<mint> c(n+1); mint a = 1; c[0] = a; for(int i=1;i<=n;i++) { a = a*mint(n+1-i)/i; c[i] = a; } return c; } static std::vector<mint> construct_fact(int n) { std::vector<mint> f(n+1,1); for(int i=2;i<=n;i++) f[i]=f[i-1]*i; return f; } }; std::istream& operator>>(std::istream&i,mint&a){ lnt t; i>>t; a=mint(t); return i; } std::ostream& operator<<(std::ostream&o,const mint&a){ o<<a.v; return o; } int main() { int n,m; std::cin >> n >> m; mint ans=mint(n)*mint(m).pow(n); for(int x=2;x<=n;x++) { mint o=0; for(int y=1;y<=m;y++) { o+=mint(m-y).pow(x-2)*mint(m).pow(n-x); } ans-=o*mint(n-x+1); } print(ans); }
/** * author: pankaj_m05 * created: 19.12.2020 23:17:06 **/ #include<bits/stdc++.h> #define sz(x) (int(x.size())) using namespace std; struct fenwick { int n; vector< int > bit; fenwick(int n) { this -> n = n; bit.assign(n + 1, 0); } fenwick(vector< int >& a) : fenwick(sz(a)) { for (int i = 1; i <= n; ++i) update(i, a[i - 1]); } void update(int idx, int k) { for (int i = idx; i <= n; i += i & -i) bit[i] ^= k; } int sum(int idx) { int ans = 0; for (int i = idx; i; i -= i & -i) ans ^= bit[i]; return ans; } int range(int l, int r) { return sum(r) ^ sum(l - 1); } }; int main(void) { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n, q; cin >> n >> q; vector<int> a(n); for (int i = 0; i < n; ++i) { cin >> a[i]; } fenwick f(a); while (q--) { int t; cin >> t; if (t == 1) { int x, v; cin >> x >> v; f.update(x, v); } else { int l, r; cin >> l >> r; cout << f.range(l, r) << '\n'; } } return 0; }
#include <bits/stdc++.h> #include <vector> #include <iostream> #include<algorithm> #include<string> #include <map> #include <queue> #include <stack> #include<set> #include<list> #define DIV 1000000007 #define TE 2e5 using namespace std; using ll = long long; using ldb = long double; int sol(const string& S) { const string A = "atcoder"; if (S > A)return 0; int len = S.size(), K = 0; for (int i = 0; i < len; i++) { if (S[i] != 'a') { K = i; break; } if (i == len - 1)return -1; } if (S[1] != 'a')return 1; if (S[K] > 't')return K - 1; else return K; } int main() { int T; cin >> T; for (int i = 0; i < T; i++) { string S; cin >> S; cout << sol(S) << endl; } }
#include<iostream> #include<cstring> #include<algorithm> #include<cstdio> using namespace std; const int N=1e5+5,M=4e5+5; int edge[M],Next[M],ver[M],head[N]; int tot=0,tmp=0; int dfn[N],dis[N]; int n,m; void add(int x,int y,int z){ ver[++tot]=y,edge[tot]=z,Next[tot]=head[x],head[x]=tot; } void dfs(int x){ dfn[x]=++tmp; for(int i=head[x];i;i=Next[i]){ int y=ver[i]; if(!dfn[y]){ if(dis[x]!=edge[i]) dis[y]=edge[i]; else dis[y]=dis[x]%n+1; dfs(y); } } } int main(){ scanf("%d%d",&n,&m); for(int i=0;i<m;i++){ int u,v,w; scanf("%d%d%d",&u,&v,&w); add(u,v,w);add(v,u,w); } dis[1]=1; dfs(1); if(tmp<n-1) puts("No"); else{ for(int i=1;i<=n;i++) printf("%d\n",dis[i]); } }
#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; template <typename T> using vt = vector<T>; template <typename T> using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; #define pb push_back #define SZ(x) ((int)((x).size())) #define EACH(x, a) for (auto& x: a) #define FOR(i,s,n) for (ll i = (s); (i) < (n); ++i) #define FORD(i,s,l) for (ll i = (s); (i) >= l; --i) #define F first #define S second #define TC int __tc; cin >> __tc; FOR(case_num,1,__tc+1) #define TEST(x,i) ((x)&(1ll<<(i))) #define SET(x,i) ((x)|(1ll<<(i))) #define FLIP(x,i) ((x)^(1ll<<(i))) #define CLEAR(x,i) ((x)&~(1ll<<(i))) const double pi = 4 * atan(1); using ll = long long; using pll = pair<ll, ll>; mt19937 mt_rng(chrono::steady_clock::now().time_since_epoch().count()); ll randint(ll a, ll b) { return uniform_int_distribution<ll>(a, b)(mt_rng); } template<class T> bool umin(T& a, const T& b) { return b<a?a=b, 1:0; } template<class T> bool umax(T& a, const T& b) { return a<b?a=b, 1:0; } template<class ForwardIterator> void print_vec(ForwardIterator first, ForwardIterator last, string sep = " ", string end = "\n") { bool ft = true; while (first != last) { if (!ft) {cout << sep;} else {ft = false;} cout << (*first); ++first; } cout << end; } template<typename T1, typename T2> std::ostream& operator<<(std::ostream &o, const pair<T1, T2> &p) { return o << p.F << " " << p.S; } inline ll floorDiv(ll x, ll y) { ll d = x / y; ll r = x % y; return r ? (d - ((x < 0) ^ (y < 0))) : d; } ll ceilDiv(ll x, ll y) { return -floorDiv(-x, y); } ll bin_search(ll lo, ll hi, function<bool(ll)> predicate) { int sign = lo < hi ? 1 : -1; lo *= sign; hi *= sign; hi++; while (lo < hi) { ll mid = lo + floorDiv(hi-lo, 2); if (!predicate(sign * mid)) { lo = mid + 1; } else { hi = mid; } } return sign * lo; } const ll MOD = 1000000007; const int MAXN = 100005; map<int,vector<int>> adj[MAXN]; map<int,map<int,int>> used; bool visited[MAXN]; int n; void dfs(int u, vector<int> &ans) { visited[u]=true; for (auto &p : adj[u]) { int val = p.F; for (auto v : p.S) { if (!visited[v]) { ans[v] = (ans[u] == val ? (val+1)%n : val); dfs(v, ans); } } } } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cin >> n; int m; cin >> m; vector<int> ans(n,-1); while(m--) { int x, y, v; cin >> x >> y >> v; x--; y--; v--; adj[x][v].pb(y); adj[y][v].pb(x); } ans[0]=0; dfs(0,ans); if (find(ans.begin(),ans.end(),-1) != ans.end()) { cout << "No\n"; } else { for (auto v : ans) { cout << v+1 << "\n"; } } }
#include <bits/stdc++.h> using namespace std; typedef pair<int, int> pii; #define ll long long #define ar array const ll mxN=2e5; const int mod=1e9+7; const ll INF=1e18; #define what_is(x) cerr << #x << " is " << x << endl; ll a,b,n,k,q,m,x,y,h,l,r,t; void solve(){ cin>>n; ll A[n],B[n],aoki=0,delta; vector<ll> benifit(n); for(int i=0;i<n;i++){ cin>>A[i]>>B[i]; aoki+=A[i]; benifit[i]=2*A[i]+B[i]; } delta=-aoki; sort(benifit.rbegin() , benifit.rend()); int i=0; while(i<n && delta<=0){ delta+=benifit[i]; i++; } cout<<i<<endl; } signed main() { #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); #endif // ios::sync_with_stdio(false); // cin.tie(0); // cout.tie(0); cout<<setprecision(12)<<fixed; // cin>>t; // while(t--) solve(); return 0; }
#include <bits/stdc++.h> //#include <atcoder/all> //using namespace atcoder; //#include <boost/multiprecision/cpp_int.hpp> //#include <boost/multiprecision/cpp_dec_float.hpp> //using namespace boost::multiprecision; using namespace std; #pragma region Macros using ll = long long; #define int ll using pii = pair<int, int>; using tiii = tuple<int, int, int>; template<class T = int> using V = vector<T>; template<class T = int> using VV = V<V<T>>; #define IOS\ ios::sync_with_stdio(false);\ cin.tie(0);\ cout.tie(0); #define FOR(i,l,r) for(int i=(l);i<int(r);++i) #define REP(i,n) FOR(i,0,n) #define REPS(i,n) FOR(i,1,n+1) #define RFOR(i,l,r) for(int i=(l);i>=int(r);--i) #define RREP(i,n) RFOR(i,n-1,0) #define RREPS(i,n) RFOR(i,n,1) #define mp make_pair #define mt make_tuple #define pb push_back #define eb emplace_back #define all(x) (x).begin(),(x).end() #define SORT(name) sort(name.begin(), name.end()) #define RSORT(name)\ SORT(name);\ reverse(all(name)); #define ZERO(p) memset(p, 0, sizeof(p)) #define MINUS(p) memset(p, -1, sizeof(p)) inline void Yes(bool b = true) {cout << (b ? "Yes" : "No") << '\n';} inline void YES(bool b = true) {cout << (b ? "YES" : "NO") << '\n';} template <class T> inline void print(T x){ cout << x << '\n';} template<typename T1,typename T2> inline void chmin(T1 &a, T2 b){ if(a > b) a = b; } template<typename T1,typename T2> inline void chmax(T1 &a, T2 b){ if(a < b) a = b; } const ll LLINF = (1LL<<60); const int INF = (1LL<<30); const double DINF = std::numeric_limits<double>::infinity(); #pragma endregion const int MOD = 1000000007; #if 1 # define DBG(fmt, ...) printf(fmt, ##__VA_ARGS__) #else # define DBG(fmt, ...) #endif const int MAX_N = 110; int N; int dp[MAX_N][2]; V<string> S; int dfs(int i, int j) { if(i >= N + 1) { return j; } int& ret = dp[i][j]; if(~ret) { return ret; } ret = 0; if(i == 0) { ret += dfs(i + 1, 1); ret += dfs(i + 1, 0); return ret; } // ここを 1 にする int nj; if(S[i] == "AND") { nj = j & 1; ret += dfs(i + 1, nj); } else { nj = j | 1; ret += dfs(i + 1, nj); } // ここを 0 にする if(S[i] == "AND") { nj = j & 0; ret += dfs(i + 1, nj); } else { nj = j | 0; ret += dfs(i + 1, nj); } return ret; } signed main() { IOS; cin >> N; S.resize(N + 1); REP(i, N) { cin >> S[i + 1]; } MINUS(dp); int ans = dfs(0, 0); print(ans); return 0; }
#include<iostream> #include<string> #include<algorithm> #include<vector> #include<map> #include<cstddef> #include<queue> #include<math.h> #include<iomanip> using namespace std; typedef long long ll; int main() { int n, maxcnt = 0, cnt = 0, ans = 0; cin >> n; vector<int> a(n),b(1000); for(int i = 0; i < n; ++i) cin >> a.at(i); for(int k = 2; k < 1001; ++k){ for(int i = 0; i < n; ++i) if(a.at(i) % k == 0) cnt += 1; if(maxcnt < cnt){ maxcnt = cnt; ans = k; } cnt = 0; } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define ff first #define ss second #define pb push_back #define mp make_pair #define ll long long #define pii pair<ll,ll> #define vi vector<ll> #define mii map<ll,ll> #define pqi priority_queue<ll> //max pq #define pqd priority_queue<ll,vi,greater<ll> > #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) #define MOD 1000000007 #define inf 1e18 #define ps(x,y) fixed<<setprecision(y)<<x #define pw(b,p) pow(b,p) + 0.1 #define f(i,k,n) for(ll i=k;i<n;i++) ll power(ll a, ll b, ll mod) {ll res = 1; a %= mod; assert(b >= 0); for (; b; b >>= 1) {if (b & 1)res = res * a % mod; a = a * a % mod;} return res;} ll power(ll a, ll b) {ll res = 1; assert(b >= 0); for (; b; b >>= 1) {if (b & 1)res = res * a ; a = a * a;} return res;} ll min( ll a, ll b) { return (a < b) ? a : b;} ll max(ll a, ll b) {return (a > b) ? a : b;} ll gcd (ll a, ll b) {if (a == 0) return b; return gcd(b % a, a);} void bwayne() { 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 } void solve() { ll n; cin >> n; vi a(n); f(i, 0, n) cin >> a[i]; ll ans = 1; mii poss; f(i, 0, n) { ll el = a[i]; for (ll j = 2; j * j <= a[i]; j++) { ll count = 0; while (el % j == 0) { count++; el /= j; } if (count >= 1) { poss[j]++; } } if (el > 1) { poss[el]++; } } mii m; for (auto i = poss.begin(); i != poss.end(); i++) { ll pos = i->first; f(j, 0, n) { if (a[j] % pos == 0) { m[pos]++; } } } ll maxx = 0; for (auto it = m.begin(); it != m.end(); it++) { if (it->second > maxx) { ans = it->first; maxx = it->second; } } cout << ans; } int main() { bwayne();// remember ll t = 1; // cin >> t; for (ll tt = 1; tt <= t; tt++) { // cout<<"Case #"<<tt<<": "; solve(); } return 0; }
///Bismillahir Rahmanir Rahim #include "bits/stdc++.h" #define ll long long #define int ll #define fi first #define si second #define mp make_pair #define pb push_back #define pi pair<int,int> #define nd(a,b,c) mp(mp(a,b),c) #define clr(x) memset(x,0,sizeof(x)); #define f(i,l,r) for(int i=l;i<=r;i++) #define rf(i,r,l) for(int i=r;i>=l;i--) #define done(i) cout<<"done = "<<i<<endl; #define show(x,y) cout<<x<<" : ";for(auto z:y)cout<<z<<" ";cout<<endl; #define fast ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0); using namespace std; const ll inf=2e18; const int mod=998244353; const int M=100005; void solve() { int h,w; cin>>h>>w; char yo[h+1][w+1]; f(i,1,h) { f(j,1,w) { cin>>yo[i][j]; } cin.ignore(); } int ses=1; vector<pi>vec; for(int i=1;i<=h;i++)vec.pb({i,1}); for(int j=2;j<=w;j++)vec.pb({h,j}); for(auto z:vec) { int x=z.fi,y=z.si; int red=0,blue=0,no_colour=0; while(x>=1 && y<=w) { if(yo[x][y]=='B')blue++; else if(yo[x][y]=='R')red++; else no_colour++; x--;y++; } if(red>=1 && blue>=1) { cout<<"0\n";return ; } if(red==0 && blue==0)ses=(ses*2LL)%mod; } cout<<ses<<"\n"; } main() { fast int t=1; //cin>>t; while(t--) { solve(); } return 0; }
#include <bits/stdc++.h> #define rep(i,x,y) for(int i=x;i<=y;++i) #define per(i,x,y) for(int i=x;i>=y;--i) #define pb push_back #define mp make_pair #define fi first #define se second using namespace std; typedef long long ll; typedef pair<int,int> pii; const int inf = 1e9; const int mod=1e9+7; const int N = 3e5 + 5; int n; int a[N]; int tr[N]; void add(int x,int k){ while(x<=n) tr[x]+=k,x+=x&-x; } int dor(int x){ int ret=0; while(x) ret+=tr[x],x-=x&-x; return ret; } int main() { cin>>n; rep(i,1,n){ cin>>a[i]; a[i]++; } ll ans=0; rep(i,1,n){ ans+=dor(n)-dor(a[i]); add(a[i],1); } cout<<ans<<'\n'; rep(i,1,n-1){ ans+=dor(n)-dor(a[i]); ans-=dor(a[i]-1); cout<<ans<<'\n'; } return 0; }
#include <bits/stdc++.h> using namespace std; //#include <atcoder/modint> //using namespace atcoder; typedef long long ll; #define rep(i,n) for (int i = 0; i < (n); i++) #define all(v) (v).begin(), (v).end() #define sz(x) int(x.size()) const int INF = 1001001001; const ll mod = 1000000007; const ll INFL = 1001001001001001000; int main() { int n; cin >> n; ll x[n]; rep(i,n) cin >> x[i]; ll md = 0; rep(i,n) md += abs(x[i]); ll cd = 0; rep(i,n) cd = max(cd, abs(x[i])); double ed = 0; rep(i,n) ed += (long double) x[i] * x[i]; ed = sqrt(ed); cout << md << endl; cout << setprecision(15) << ed << endl; cout << cd << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define sz(a) int(a.size()) template <typename A, typename B> ostream& operator <<(ostream& out, const pair<A, B>& a) { out << "(" << a.first << "," << a.second << ")"; return out; } template <typename T, size_t N> ostream& operator <<(ostream& out, const array<T, N>& a) { out << "["; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]"; return out; } template <typename T> ostream& operator <<(ostream& out, const vector<T>& a) { out << "["; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "]"; return out; } template <typename T, class Cmp> ostream& operator <<(ostream& out, const set<T, Cmp>& a) { out << "{"; bool first = true; for (auto& v : a) { out << (first ? "" : ", "); out << v; first = 0;} out << "}"; return out; } template <typename U, typename T, class Cmp> ostream& operator <<(ostream& out, const map<U, T, Cmp>& a) { out << "{"; bool first = true; for (auto& p : a) { out << (first ? "" : ", "); out << p.first << ":" << p.second; first = 0;} out << "}"; return out; } template <typename Arg1> void __f(const char* name, Arg1&& arg1){ cerr << name << ": " << arg1 << 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...); } #ifdef LOCAL #define trace(...) __f(#__VA_ARGS__, __VA_ARGS__) #else #define trace(...) 42 #endif void solve() { int n; cin >> n; vector<string> s(n); for(int i=0; i<n; i++) { cin >> s[i]; } unordered_map<string, int> m; for(int i=0; i<n; i++) { auto ss = s[i]; if(ss[0] == '!') { ss = ss.substr(1); m[ss] |= 1; } else { m[ss] |= 2; } if(m[ss] == 3) { cout << ss << endl; return; } } cout << "satisfiable" << endl; } int main() { ios::sync_with_stdio(0); cin.tie(0); solve(); return 0; }
#include <bits/stdc++.h> #define SZ(x) (int)(x).size() #define ALL(x) (x).begin(),(x).end() #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second using namespace std; typedef double DB; typedef long double LD; typedef long long LL; typedef unsigned long long ULL; typedef pair<int,int> PII; typedef vector<int> VI; typedef vector<PII> VPII; //head const int N=1e4+5; int n,a[N]; int main() { //freopen("E:/OneDrive/IO/in.txt","r",stdin); ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin>>n; for(int i=1;i<=n;i++) cin>>a[i]; int res=0; for(int i=1;i<=n;i++) { int t=1; for(int j=i-1;j>=1;j--) { if(a[j]>=a[i]) ++t; else break; } for(int j=i+1;j<=n;j++) { if(a[j]>=a[i]) ++t; else break; } res=max(res,t*a[i]); } cout<<res<<'\n'; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define rep(i,a,b) for(ll i=a;i<b;i++) #define repn(i,a,b) for(ll i=a;i>=b;i--) #define ld long double #define fi first #define se second #define pii pair<ll,ll> #define vi vector<ll> #define vii vector<pii> #define pb push_back #define mp make_pair #define all(v) (v).begin(), (v).end() #define sz(a) (ll)(a.size()) #define len(a) (ll)(a.length()) #define mem0(a) memset(a, 0, sizeof(a)) #define mem1(a) memset(a, -1, sizeof(a)) #define trav(a, x) for (auto &a : x) #define popcount(x) __builtin_popcountll(x) #define SPEED ios::sync_with_stdio(false); cin.tie(0); cout.tie(0) #define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) #define mod 1000000007 ll INF = 1e6; void solve() { ll n; cin >> n; vi a(n), b(200); rep(i, 0, n) { cin >> a[i]; b[a[i] % 200]++; } ll c = 0; rep(i, 0, 200) { c += b[i] * (b[i] - 1) / 2; } cout << c; } int main() { SPEED; #ifndef ONLINE_JUDGE freopen("input1.txt", "r", stdin); freopen("output1.txt", "w", stdout); #endif clock_t z = clock(); ll t = 1; //cin >> t; while (t--) solve(); debug("Total Time:%.3Lf\n", (ld)(clock() - z) / CLOCKS_PER_SEC); return 0; }
#include <cstdio> #include <cmath> #include <iostream> #include <set> #include <algorithm> #include <vector> #include <map> #include <cassert> #include <string> #include <cstring> #include <queue> using namespace std; #define rep(i,a,b) for(int i = a; i < b; i++) #define S(x) scanf("%d",&x) #define S2(x,y) scanf("%d%d",&x,&y) #define P(x) printf("%d\n",x) #define all(v) v.begin(),v.end() #define FF first #define SS second #define pb push_back #define mp make_pair typedef long long int LL; typedef pair<int, int > pii; typedef vector<int > vi; const int N = 1001; string s; vi g[2 * N]; int vis[2 * N]; set<int > s1, s2; void dfs(int c, int cmp) { if(vis[c]) return; vis[c] = cmp; rep(i,0,g[c].size()) { dfs(g[c][i], cmp); } } int main() { int n,m; S2(n,m); rep(i,0,n) { cin >> s; rep(j,0,m) if(((i == 0 || i == n - 1) && (j == 0 || j == m - 1)) ||s[j] == '#') { g[i + 1].pb(n + j + 1); g[n + j + 1].pb(i + 1); } } int cnt = 0; rep(i,1,n+m+1) if(!vis[i]) { ++cnt; dfs(i, cnt); } rep(i,1,n+m+1) { if(i <= n) s1.insert(vis[i]); else s2.insert(vis[i]); } P((int)min(s1.size(), s2.size()) - 1); return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> P; const ll MOD = 1e9+7; const ll INF = 1e18; #define rep(i,m,n) for(ll i = (m); i <= (n); i++) #define zep(i,m,n) for(ll i = (m); i < (n); i++) #define rrep(i,m,n) for(ll i = (m); i >= (n); i--) #define print(x) cout << (x) << endl; #define printa(x,m,n) for(int i = (m); i <= n; i++){cout << (x[i]) << " ";} cout<<endl; struct union_find { vector<int> par, siz; union_find(int n) { par.resize(n); siz.resize(n); for(int i = 0; i < n; i++){ par[i] = i; siz[i] = 1; } } int find(int x) { if (par[x] == x) return x; return par[x] = find(par[x]); } void unite(int x, int y) { x = find(x); y = find(y); if (x == y)return; if (siz[x] < siz[y]) { par[x] = y; siz[y] += siz[x]; } else { par[y] = x; siz[x] += siz[y]; } } long long size(int x){ return siz[find(x)]; } bool same(int x, int y) { return (find(x) == find(y)); } }; int main(){ cin.tie(0); ios::sync_with_stdio(false); ll h, w; cin >> h >> w; string s[h]; zep(i, 0, h)cin >> s[i]; union_find u(h + w); u.unite(0, h - 1); u.unite(0, h); u.unite(0, h + w - 1); zep(i, 0, h){ zep(j, 0, w){ if(s[i][j] == '#'){ u.unite(i, h + j); } } } set<ll> ansh, answ; zep(i, 0, h)ansh.insert(u.find(i)); zep(j, 0, w)answ.insert(u.find(h + j)); print(min(ansh.size(), answ.size()) - 1) return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ vector<int> A; vector<int> B; vector<int> product; int N,m; int result = 0; cin >> N; for(int i = 0;i < N;i++){ cin >> m; A.push_back(m); } for(int i = 0;i < N;i++){ cin >> m; B.push_back(m); } for(int i = 0;i < N;i++){ int P; P = A[i]*B[i]; product.push_back(P); } for(int i = 0;i < N;i++){ result += product[i]; } if(result == 0){ cout << "Yes" << endl; return 0; } cout << "No" << endl; }
#include <bits/stdc++.h> using namespace std; void solve() { int l,r; cin >> l >> r; long long marg = r-2*l; long long ans = (marg+1)*(marg+2)/2; if (marg < 0) ans = 0; cout << ans << endl; } int main() { ios::sync_with_stdio(false); cin.tie(0); int t; cin >> t; for (int i=0;i<t;i++) solve(); }
#include <bits/stdc++.h> using namespace std; string to_string(string s) { return '"' + s + '"'; } string to_string(const char* s) { return to_string((string) s); } string to_string(bool b) { return (b ? "true" : "false"); } template <typename A, typename B> string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; } template <typename A> string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; ostringstream name; name<<x; string l=name.str(); res += to_string(l); } res += "}"; return res; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) int main() { int n,m; scanf("%d %d",&n,&m); vector<int>a(n); for(int i=0;i<n;i++){ scanf("%d",&a[i]); } vector<int>b(m); for(int i=0;i<m;i++){ scanf("%d",&b[i]); } for(int i=1;i<=1e3;i++){ auto poz = binary_search(a.begin(),a.end(),i) ; auto poz2 = binary_search(b.begin(),b.end(),i) ; if((poz && !poz2) || (!poz && poz2) ){ printf("%d ",i); } } printf("\n"); return 0; }
#include <iostream> #include <fstream> #include <cstdio> #include <vector> #include <map> #include <unordered_map> #include <set> #include <unordered_set> #include <stack> #include <queue> #include <algorithm> #include <string.h> #include <string> #include <math.h> #include <iomanip> #include <cassert> #include <random> #include <time.h> using namespace std; #define SORT(v) sort((v).begin(), (v).end()) #define RSORT(v) sort((v).rbegin(), (v).rend()) #define REVERSE(v) reverse((v).begin(), (v).end()) #define pb push_back #define FOR(i, n) for(int i = 0; i < (n); i++) typedef pair<int, int> pii; typedef long long ll; typedef unsigned long long ull; typedef vector<int> vi; const int mod = 1e9 + 7; const int mod2 = 998244353; void fact_init(int n, int md); ll exp(ll taban, ll us, ll md); ll ebob(ll a, ll b); ll ekok(ll a, ll b); ll komb(int a, int b, int md); ll mul(ll a, ll b, int md); vector<ll> fact; vector<ll> inv_fact; void fact_init(int n, int md){ fact.resize(n+5); inv_fact.resize(n+5); fact[0] = inv_fact[0] = 1; for(int i = 1; i <= n; i++){ fact[i] = (fact[i-1] * i) % md; inv_fact[i] = exp(fact[i], md-2, md); } } ll exp(ll taban, ll us, ll md) { ll carpan = taban % md; if(carpan == 0) return 0; ll temp = us; ll res = 1; while(temp){ if(temp % 2) res = (res*carpan) % md; temp /= 2; carpan = (carpan*carpan) % md; } return res; } ll ebob(ll a, ll b){ if(!a)return b; return ebob(b%a, a); } ll ekok(ll a, ll b){ return (a*b)/ebob(a, b); } ll komb(int a, int b, int md){ if(a < b) return 0; return fact[a] * (inv_fact[a-b] * inv_fact[b] % md) % md; } ll mul(ll a, ll b, int md){ return a*b % md; } const int N = 2e5 + 5; vector<vector<int>> g(N); int a[N], b[N]; bool vis[N]; int main(){ ios::sync_with_stdio(false); cin.tie(NULL); int n, m; cin>>n>>m; for(int i = 1; i <= n; i++) cin>>a[i]; for(int i = 1; i <= n; i++) cin>>b[i]; for(int i = 0; i < m; i++){ int u, v; cin>>u>>v; g[u].pb(v); g[v].pb(u); } bool check = true; for(int i = 1; i <= n; i++){ if(vis[i]) continue; queue<int> q; q.push(i); vis[i] = true; vector<int> cur_nodes; while(!q.empty()){ int cur = q.front(); q.pop(); cur_nodes.pb(cur); for(int node: g[cur]){ if(vis[node]) continue; vis[node] = true; q.push(node); } } ll sum1 = 0, sum2 = 0; for(int node: cur_nodes){ sum1 += a[node]; sum2 += b[node]; } check &= sum1 == sum2; } cout<<(check ? "Yes\n" : "No\n"); }
#include<bits/stdc++.h> #define ll long long int #define pii pair<int,pair<int,int> > #define F first #define S second using namespace std; #define mod 1000000007 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 ///cout << "Case #"<<it<<": "<< res<< endl; int main(){ ios_base::sync_with_stdio(false);cin.tie(NULL); int t=1;///cin>>t; while(t--){ int arr[4]; for(int i=0;i<4;i++) cin>>arr[i]; sort(arr,arr+4); if(arr[3]==arr[0]+arr[1]+arr[2]){ cout<<"Yes"<<endl; }else if(arr[3]+arr[0]==arr[1]+arr[2]){ cout<<"Yes"<<endl; }else cout<<"No"<<endl; } }
#include <bits/stdc++.h> using namespace std; #define IOS ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define print(a) for(int i=0;i<(a.size());i++){cout<<a[i]<<"\n";} #define sortt(a) sort(a.begin(),a.end()) #define loop(i,a,b) for(int i=0;i<n;i++) #define int long long #define pb push_back #define mod 1000000007 #define PQ priority_queue #define F first #define S second void S_G_() { string s; cin>>s; map<char,int>mp; for(int i=0;i<3;i++) { mp[s[i]]++; } if(mp[s[0]]==3) { cout<<"Won"<<endl; } else { cout<<"Lost"<<endl; } } signed main() { #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif IOS; int t=1; // cin>>t; while(t--) { S_G_(); } cerr<<"time taken :"<<(float)clock()/CLOCKS_PER_SEC<<" secs"<<endl; }
#include <iostream> #include <cstdio> #include <cstring> #include <vector> #include <algorithm> #include <cmath> using namespace std; #define mp make_pair #define pb push_back #define ll long long //#define debug(x) ; #define debug(x) cerr << #x << " = " << x << "\n"; ostream& operator<<(ostream& cerr, vector<ll> aux) { cerr << "["; for (auto e : aux) cerr << e << ' '; cerr << "]"; return cerr; } const int maxN = 3011; ll mod = 998244353; int n, k; ll dp[maxN][maxN]; // i frac, j value void add(ll& a, ll b) { a += b; if (a >= mod) a -= mod; } int main() { //freopen("test.in", "r", stdin); cin >> n >> k; dp[n][k] = 1; for (int i = n; i >= 1; i--) { for (int j = 1; j <= i; j++) { if (dp[i][j] == 0) continue; add(dp[i - 1][j - 1], dp[i][j]); if (2 * j <= i) add(dp[i][2 * j], dp[i][j]); //cerr << i << ' ' << j << ' ' << dp[i][j] << '\n'; } } cout << dp[0][0]; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long i64; typedef unsigned long long ui64; typedef vector<i64> vi; typedef vector<vi> vvi; typedef pair<i64, i64> pi; #define pb push_back #define sz(a) i64((a).size()) #define all(c) (c).begin(), (c).end() #define REP(s, e, i) for(i=(s); i < (e); ++i) inline void RI(i64 &i) {scanf("%lld", &(i));} inline void RVI(vi &v) { for(i64 i=0;i<sz(v);++i) { RI(v[i]); } } inline void RVVI(vvi &vv) { for(i64 i=0;i<sz(vv);++i) { RVI(vv[i]); } } inline void WI(const i64 &i) {printf("%lld\n", i);} inline void WVI(const vi &v, char sep=' ') { for(i64 i=0;i<sz(v);++i) { if(i != 0){ printf("%c", sep); } printf("%lld", v[i]);} printf("\n"); } inline void WS(const string &s) { printf("%s\n", s.c_str()); } inline void WB(bool b, const string &yes, const string &no) { if(b){ WS(yes);} else { WS(no);} } inline void YESNO(bool b) { WB(b, "YES", "NO"); } inline void YesNo(bool b) { WB(b, "Yes", "No"); } #define BUF_LENGTH 1000000 inline void RS(string &s) {static char buf[BUF_LENGTH]; scanf("%s", buf); s = buf;} template<typename T> inline bool IN(T &S, const typename T::key_type &key) { return S.find(key) != S.end(); } template<typename T> inline bool ON(const T &b, i64 idx) { return ((T(1) << idx) & b) != 0; } struct graph { using node_t = long long; using weight_t = long long; using edge_t = pair<node_t, weight_t>; graph(node_t n) { edges.resize(n); } virtual ~graph() {} void add_edge(node_t i, node_t j, weight_t w=1) { edges[i].push_back({j, w}); } virtual vector<edge_t> get_edges(node_t n) const { assert(n < get_num_nodes()); return edges[n]; } int get_num_nodes() const { return int(edges.size()); } vector<vector<edge_t>> edges; }; // dijkstra i64 dijkstra(const graph &g, graph::node_t start) { using node_t = graph::node_t; using distance_t = graph::weight_t; using flag_t = unsigned char; const distance_t unreachable = -1; using dn = pair<distance_t, node_t>; priority_queue<dn, vector<dn>, greater<dn>> pq; vector<distance_t> distances(g.get_num_nodes(), unreachable); for(auto &e: g.get_edges(start)) { node_t to = e.first; distance_t w = e.second; if(distances[to] == unreachable || w < distances[to]) { distances[to] = w; } pq.push({distances[to], to}); } while(!pq.empty()) { dn cur_p = pq.top(); pq.pop(); int cur_d = cur_p.first, cur = cur_p.second; if(distances[cur] != cur_d) { continue; } for(auto &e: g.get_edges(cur)) { node_t to = e.first; distance_t w = e.second; //cerr << cur << " -> " << to << ": " << w << endl; if(distances[to] == unreachable || cur_d + w < distances[to]) { distances[to] = cur_d + w; pq.push({distances[to], to}); } } } return distances[start]; } int main(int argc, char *argv[]) { i64 i, j, k; i64 N, M; cin >> N >> M; graph g(N); REP(0, M, i) { i64 a, b, c; RI(a); RI(b); RI(c); --a; --b; g.add_edge(a, b, c); } REP(0, N, i) { WI(dijkstra(g, i)); } return 0; }
#include <bits/stdc++.h> using namespace std; using cd = complex<double>; const double EPS = 1e-9; bool isEq(double a, double b) { return abs(a - b) < EPS; } bool operator==(cd a, cd b) { return isEq(a.imag(), b.imag()) && isEq(a.real(), b.real()); } bool operator!=(cd a, cd b) { return !(a == b); } #ifdef _DEBUG #define show(x) \ cerr << #x << " : "; \ showVal(x) template <typename T> void showVal(const T &a) { cerr << a << endl; } template <typename T> void showVal(const vector<T> &a) { for (const T &v : a) cerr << v << " "; cerr << endl; } template <typename T> void showVal(const vector<vector<T>> &a) { cerr << endl; for (const vector<T> &v : a) showVal(v); } #else #define show(x) #endif int main() { int n; cin >> n; vector<cd> s(n), t(n); for (int i = 0; i < n; i++) { int a, b; cin >> a >> b; s[i] = cd(a, b); } for (int i = 0; i < n; i++) { int a, b; cin >> a >> b; t[i] = cd(a, b); } if (n == 1) { cout << "Yes" << endl; return 0; } cd sg, tg; for (int i = 0; i < n; i++) { sg += s[i]; tg += t[i]; } sg = cd(sg.real() / n, sg.imag() / n); tg = cd(tg.real() / n, tg.imag() / n); for (int i = 0; i < n; i++) { s[i] -= sg; t[i] -= tg; } cd sn = s[0]; if (sn == cd(0, 0)) { sn = s[1]; } for (int ti = 0; ti < n; ti++) { if (!isEq(abs(sn), abs(t[ti]))) continue; double th = arg(sn) - arg(t[ti]); show(th); bool ok = true; for (int i = 0; i < n; i++) { cd z = t[i] * polar<double>(1, th); bool isEx = false; for (int j = 0; j < n; j++) { if (z == s[j]) { isEx = true; } } if (!isEx) { ok = false; } } if (ok) { cout << "Yes" << endl; return 0; } } cout << "No" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define MOD 1000000007 #define MOD2 998244353 #define rep(i,n) for (int i = 0; i < (int)(n); i++) #define reps(i,s,n) for (int i = (int)(s); i < (int)(n); i++) #define repit(i,C) for (auto i = (C).begin(); i != (C).end(); i++) #define pr(a) cout << a #define prl(a) cout << (a) << endl #define prld(a) cout << setprecision(15)<< (a) << endl #define allrange(a) a.begin(),a.end() bool solve_translated(vector<pair<int,int>> &S,vector<pair<int,int>> &T){ int N = S.size(); int dx = S[0].first-T[0].first; int dy = S[0].second-T[0].second; bool flg = true; reps(i,1,N){ if(!((S[i].first==T[i].first+dx) && (S[i].second==T[i].second+dy))){flg = false; break;} } return flg; } /*ピタゴラ三角形 5 12 13 8 15 17 3 4 5 */ vector<pair<int,int>> Pitagora_rot(vector<pair<int,int>> &S,int a, int b , int c){ int N = S.size(); vector<pair<int,int>> PS(N); auto pt0 = S[0]; PS[0] = pt0; bool flg = true; reps(i,1,N){ int dx = S[i].first - pt0.first; int dy = S[i].second - pt0.second; if(((dx*b+dy*a)%c)!=0 || ((dx*a-dy*b)%c)!=0) {flg = false; break;} PS[i] = make_pair((dx*a-dy*b)/c+pt0.first, (dx*b+dy*a)/c+pt0.second); } if(flg) return PS; else return vector<pair<int,int>>(); } int main(){ std::cin.tie(0); // cinとcoutの同期を解除 std::ios::sync_with_stdio(false); int N;cin >> N; vector<pair<int,int>> S(N),T(N); rep(i,N) { int x,y; cin >> x >> y; S[i].first = x;S[i].second = y; } rep(i,N) { int x,y; cin >> x >> y; T[i].first = x; T[i].second = y; } sort(allrange(T)); /*ピタゴラ三角形 5 12 13 8 15 17 3 4 5 */ vector<vector<int>> tri(12); tri[0]={0,1,1}; tri[1]={-1,0,1}; tri[2]={0,-1,1}; tri[3]={1,0,1}; tri[4]={3,4,5}; tri[5]={4,3,5}; tri[6]={-3,4,5}; tri[7]={-4,3,5}; tri[8]={-3,-4,5}; tri[9]={-4,-3,5}; tri[10]={3,-4,5}; tri[11]={4,-3,5}; /* vector<vector<int>> tri(0); tri.push_back(vector<int>({0,1,1})); tri.push_back(vector<int>({-1,0,1})); tri.push_back(vector<int>({0,-1,1})); tri.push_back(vector<int>({1,0,1})); tri.push_back(vector<int>({3,4,5})); tri.push_back(vector<int>({4,3,5})); tri.push_back(vector<int>({-3,4,5})); tri.push_back(vector<int>({-4,3,5})); tri.push_back(vector<int>({-3,-4,5})); tri.push_back(vector<int>({-4,-3,5})); tri.push_back(vector<int>({3,-4,5})); tri.push_back(vector<int>({4,-3,5})); */ // tri.push_back(vector<int>({-5, -12, 13})); // tri.push_back(vector<int>({-12, -5, 13})); // tri.push_back(vector<int>({-8,-15,17})); // tri.push_back(vector<int>({-15,-8,17})); // tri.push_back(vector<int>({5, 12, 13})); // tri.push_back(vector<int>({12, 5, 13})); // tri.push_back(vector<int>({8,15,17})); // tri.push_back(vector<int>({15,8,17})); // tri.push_back(vector<int>({-5, 12, 13})); // tri.push_back(vector<int>({-12, 5, 13})); // tri.push_back(vector<int>({-8,15,17})); // tri.push_back(vector<int>({-15,8,17})); // tri.push_back(vector<int>({5, -12, 13})); // tri.push_back(vector<int>({12, -5, 13})); // tri.push_back(vector<int>({8,-15,17})); // tri.push_back(vector<int>({15,-8,17})); bool flg; if(S.size()==2 && T.size()==2){ auto sx = S[0].first-S[1].first; auto sy = S[0].second-S[1].second; auto tx = T[0].first-T[1].first; auto ty = T[0].second-T[1].second; flg= (sx*sx+sy*sy==tx*tx+ty*ty); } else { rep(j,tri.size()){ auto S2 = Pitagora_rot(S,tri[j][0],tri[j][1],tri[j][2]); if(S2.empty()) continue; sort(allrange(S2)); flg = solve_translated(S2,T); if(flg) break; } } if(flg) prl("Yes"); else prl("No"); }
#include <bits/stdc++.h> #define REP(i,n) for(ll i=0;i<(ll)(n);i++) #define REPD(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll i=a;i<=(ll)(b);i++) #define FORD(i,a,b) for(ll i=a;i>=(ll)(b);i--) #define ALL(x) (x).begin(),(x).end() #define RALL(x) (x).rbegin(),(x).rend() #define SIZE(x) ((ll)(x).size()) #define MAX(x) *max_element(ALL(x)) #define MIN(x) *min_element(ALL(x)) using namespace std; 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; } typedef long long ll; using P = pair<ll, int>; const ll INF = 1e18; struct Edge { int to, t, k; Edge(int to, int t, int k): to(to), t(t), k(k) {} }; int main() { int n, m, x, y; cin >> n >> m >> x >> y; --x; --y; vector<vector<Edge>> g(n); REP(i, m){ int a, b, t, k; cin >> a >> b >> t >> k; --a; --b; g[a].emplace_back(b, t, k); g[b].emplace_back(a, t, k); } vector<ll> dist(n, INF); priority_queue<P, vector<P>, greater<P>> pq; auto push = [&](int v, ll x){ if(dist[v] <= x) return; dist[v] = x; pq.emplace(x, v); }; push(x, 0); while(!pq.empty()){ auto [x, v] = pq.top(); pq.pop(); if(dist[v] != x) continue; for(Edge& e : g[v]) { ll nx = (x + e.k - 1)/e.k*e.k + e.t; push(e.to, nx); } } ll ans = dist[y]; if(ans == INF) ans = -1; cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; const int N=5e5+10; typedef long long ll; int n,s[N],t[N],from[N]; char str[N]; set<int> pos[2]; ll ans; int main() { #ifdef LOCAL freopen("a.in","r",stdin); freopen("a.out","w",stdout); #endif ios::sync_with_stdio(0);cin.tie(0); cin>>n>>(str+1); for(int i=1;i<=n;i++) s[i]=str[i]-'0'; cin>>(str+1); for(int i=1;i<=n;i++) t[i]=str[i]-'0'; for(int i=1;i<=n;i++) s[i]^=s[i-1],t[i]^=t[i-1],pos[s[i]].insert(i); for(int i=1;i<=n;i++) { auto it=pos[t[i]].lower_bound(max(from[i-1],i)); if(it==pos[t[i]].end()) return cout<<-1,0; from[i]=*it; } for(int i=1;i<=n;i++) if(from[i]!=from[i-1]) ans+=from[i]-i; cout<<ans; return 0; }
#include <bits/stdc++.h> #define NIL (-1) #define ll long long using namespace std; const double PI = acos(-1.0); int main() { int N; cin >> N; bitset<100001> dp; dp[0] = 1; int tot = 0; for (int i = 0; i < N; i++) { int T; cin >> T; tot += T; dp |= dp << T; } //cout << dp << endl; //cout << tot << endl; int ans = tot; for (int i = 0; i < dp.size(); i++) if (dp[i]) ans = min(ans, max(i, (tot - i))); cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; int main() { int n; int sum=0; cin>>n; int a[n],b[n]; for (int i = 0; i <n; i++) { cin>>a[i]; } for (int i = 0; i <n; i++) { cin>>b[i]; } for (int i = 0; i <n; i++) { if (a[0]<a[i]) { a[0]=a[i]; } if (b[0]>b[i]) { b[0]=b[i]; } } for (int i = a[0]; i <=b[0]; i++) { sum++; } cout<<sum; return 0; }
#pragma GCC target ("avx2") #pragma GCC optimize ("O3") #pragma GCC optimize ("unroll-loops") #include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef long double ld; #define NN 60 constexpr ll M = 998244353; vector<ll> edges[2][NN]; ll used[NN]; ll a[NN][NN]; ll f[NN]; ll dfs(ll u, bool t) { used[u] = 1; ll tot = 1; for (auto v:edges[t][u]) if (!used[v])tot+=dfs(v, t); return tot; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); f[0] = 1; for (ll i=1; i<NN; ++i) f[i] = f[i-1]*i%M; ll n, K; cin>>n>>K; for (ll i=0; i<n; ++i) for(ll j=0; j<n; ++j) cin>>a[i][j]; for (ll x=0; x<n; ++x) { for (ll y=x+1; y<n; ++y) { for (ll i=0; i<n; ++i) { if (a[i][x]+a[i][y]>K) goto rfail; } edges[0][x].push_back(y); edges[0][y].push_back(x); rfail:; for (ll i=0; i<n; ++i) { if (a[x][i]+a[y][i]>K) goto cfail; } edges[1][x].push_back(y); edges[1][y].push_back(x); cfail:; } } ll ans = 1; for (ll i=0; i<n; ++i) if (!used[i]) ans = ans*f[dfs(i, 0)]%M; memset(used, 0, sizeof used); for (ll i=0; i<n; ++i) if (!used[i]) ans = ans*f[dfs(i, 1)]%M; cout<<ans<<endl; }
#include<bits/stdc++.h> #define rep(i,a,b) for(int i=a;i<b;i++) #define rrep(i,a,b) for(int i=a;i>=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() //#pragma GCC optimize ("-O3") using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; 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; } //--------------------------------------------------------------------------------------------------- int mod = 1000000007; int add(int x, int y) { return (x += y) >= mod ? x - mod : x; } template<class... T> int add(int x, T... y) { return add(x, add(y...)); } int mul(int x, int y) { return 1LL * x * y % mod; } template<class... T> int mul(int x, T... y) { return mul(x, mul(y...)); } int sub(int x, int y) { return add(x, mod - y); } int modpow(int a, long long b) { int ret = 1; while (b > 0) { if (b & 1) ret = 1LL * ret * a % mod; a = 1LL * a * a % mod; b >>= 1; } return ret; } int modinv(int a) { return modpow(a, mod - 2); } typedef vector<int> Vec; typedef vector<Vec> Mat; Vec mulMatVec(Mat a, Vec b) { int n = b.size(); Vec ret(n, 0); rep(i, 0, n) rep(j, 0, n) ret[i] = add(ret[i], mul(a[i][j], b[j])); return ret; } Mat mulMatMat(Mat a, Mat b) { int n = a.size(); Mat ret(n, Vec(n, 0)); rep(i, 0, n) rep(j, 0, n) rep(k, 0, n) ret[i][j] = add(ret[i][j], mul(a[i][k], b[k][j])); return ret; } Mat fastpow(Mat x, ll n) { Mat ret(x.size(), Vec(x.size(), 0)); rep(i, 0, x.size()) ret[i][i] = 1; while (0 < n) { if ((n % 2) == 0) { x = mulMatMat(x, x); n >>= 1; } else { ret = mulMatMat(ret, x); --n; } } return ret; } void printVec(Vec a) { cout << "[\t"; rep(i, 0, a.size()) cout << a[i] << "\t"; cout << "]" << endl; } void printMat(Mat a) { rep(i, 0, a.size()) printVec(a[i]); } /*---------------------------------------------------------------------------------------------------             ∧_∧       ∧_∧  (´<_` )  Welcome to My Coding Space!      ( ´_ゝ`) /  ⌒i @hamayanhamayan0     /   \    | |     /   / ̄ ̄ ̄ ̄/  |   __(__ニつ/  _/ .| .|____      \/____/ (u ⊃ ---------------------------------------------------------------------------------------------------*/ int N, M, K, A[101]; int X[10101], Y[10101]; int cnt[101]; bool E[101][101]; //--------------------------------------------------------------------------------------------------- void _main() { cin >> N >> M >> K; rep(i, 0, N) cin >> A[i]; rep(i, 0, M) cin >> X[i] >> Y[i], X[i]--, Y[i]--; Mat Ma(N, Vec(N)); rep(i, 0, M) { cnt[X[i]]--; cnt[Y[i]]--; E[X[i]][Y[i]] = E[Y[i]][X[i]] = true; } rep(to, 0, N) { int cnt = M; rep(from, 0, N) if (to != from) { if (E[to][from]) { Ma[to][to] = add(Ma[to][to], mul(modinv(M), modinv(2))); Ma[to][from] = add(Ma[to][from], mul(modinv(M), modinv(2))); cnt--; } } Ma[to][to] = add(Ma[to][to], mul(cnt, modinv(M))); } Vec v(N, 0); rep(i, 0, N) v[i] = A[i]; Ma = fastpow(Ma, K); v = mulMatVec(Ma, v); rep(i, 0, N) cout << v[i] << endl; }
#include <iostream> #include <cmath> #include <iomanip> typedef long long ll; using namespace std; int main() { int N, tmp; ll mand = 0, powsum = 0, chebid = 0; double eucd; cin >> N; for (int i = 0; i < N; i++) { cin >> tmp; mand += abs(tmp); powsum += pow(tmp, 2); if (chebid < abs(tmp)) { chebid = abs(tmp); } } eucd = sqrt(powsum); cout << mand << endl; cout << fixed << setprecision(10) <<eucd << endl; cout << chebid << endl; return 0; }
#include <algorithm> #include <cmath> #include <vector> #include <functional> #include <cstdlib> #include <map> #include <set> #include <iostream> #include <string> #include <ctype.h> #include <climits> #include <stack> #include <queue> #include <cassert> #include <iomanip> 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;} int main(){ int n; cin >> n; vector<int> x(n); REP(i,n) cin >> x[i]; ll m=0; ll eu=0; ll che=0; REP(i,n){ m += abs(x[i]); eu += (ll)x[i]*x[i]; chmax(che, (ll)abs(x[i])); } long double ans = sqrt(eu); printf("%Ld\n%.12Lf\n%Ld\n", m, ans, che); return 0; }
#include <bits/stdc++.h> using namespace std; const int MAXN = 2e5 + 5; int st[MAXN], ed[MAXN], idx; vector<int> e[MAXN], h[MAXN]; void dfs(int u, int fa, int depth) { st[u] = idx++; h[depth].push_back(st[u]); for (int v: e[u]) { if (v == fa) continue; dfs(v, u, depth + 1); } ed[u] = idx; } signed main(int argc, char *argv[]) { int n; cin >> n; for (int i = 2; i <= n; ++i) { int fa; cin >> fa; e[fa].push_back(i); } dfs(1, -1, 0); int q; cin >> q; while (q--) { int u, d; cin >> u >> d; #define ALL(vec) vec.begin(), vec.end() cout << lower_bound(ALL(h[d]), ed[u]) - lower_bound(ALL(h[d]), st[u]) << '\n'; } system("pause"); }
#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 int #define double long double #define pb push_back #define fi first #define se second #define vi vector<int> #define pii pair<int,int> #define vpii vector<pii> #define pqi priority_queue<int> #define test int tcase; cin>>tcase; for(int tc = 1; tc <= tcase; tc++) #define inp(a,n,f) vector<int> a(n+f);for(int hh=f;hh<n+f;hh++)cin>>a[hh]; #define printdecimal(k) cout<<fixed<<setprecision(k); #define mem(a,k) memset(a,k,sizeof(a)) #define ub upper_bound #define lb lower_bound #define all(v) v.begin(),v.end() #define mod (int)(1e9+7) #define inf LLONG_MAX #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> int exp(int x,int y){int val=1;x=x%mod;while(y>0){if(y&1)val=(val*x)%mod;y=y>>1;x=(x*x)%mod;}return val;} int modinv(int x){return exp(x,mod-2);} int add(int a,int b){a%=mod,b%=mod;a=((a+b)%mod+mod)%mod;return a;} int sub(int a,int b){a%=mod,b%=mod;a=((a-b)%mod+mod)%mod;return a;} int mul(int a,int b){a%=mod,b%=mod;a=((a*b)%mod+mod)%mod;return a;} signed main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int n,ans=0; cin>>n; inp(a,n,0); map<int, int> m; for(int i:a) ans+=m[i%200],m[i%200]++; cout<<ans; return 0; }
//Author: Fuadul Hasan(fuadul202@gmail.com) //BSMRSTU,Gopalganj //#include<bits/stdc++.h> #define _USE_MATH_DEFINES #include <set> #include <map> #include <list> #include <queue> #include <stack> #include <cmath> #include <ctime> #include <cstdio> #include <string> #include <vector> #include <bitset> #include <random> #include <cassert> #include <cstring> #include <sstream> #include <complex> #include <numeric> #include <iostream> #include <algorithm> #include <functional> #include <unordered_set> #include <unordered_map> using namespace std; //int input........ template <typename T> inline void readline(T &n) {n = 0; int f = 1; register int ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') f = -1;for (; isdigit(ch); ch = getchar()) n = (n << 3) + (n << 1) + ch - '0';n = n * f;} template <typename T, typename TT> inline void readline(T &n, TT &m) { readline(n); readline(m); } template <typename T, typename TT, typename TTT> inline void readline(T &n, TT &m, TTT &l) { readline(n, m); readline(l);} // long long input........ template <typename T> inline void readlinel(T &n) {n = 0; long long f = 1; register long long ch = getchar(); for (; !isdigit(ch); ch = getchar()) if (ch == '-') f = -1;for (; isdigit(ch); ch = getchar()) n = (n << 3) + (n << 1) + ch - '0';n = n * f;} template <typename T, typename TT> inline void readlinel(T &n, TT &m) { readlinel(n); readlinel(m); } template <typename T, typename TT, typename TTT> inline void readlinel(T &n, TT &m, TTT &l) { readlinel(n, m); readlinel(l);} //debug.......... #define error(args...) {vector<string>_v=split(#args,',');err(_v.begin(),args);cout<<endl;} vector<string> split(const string &s, char c) {vector<string>v; stringstream ss(s); string x; while (getline(ss, x, c))v.emplace_back(x); return move(v);} void err(vector<string>::iterator it) {} template<typename T, typename... Args>void err(vector<string>::iterator it, T a, Args...args) { cout << it->substr((*it)[0] == ' ', it->length()) << " = " << a << " "; err(++it, args...);} //............ignore it..................// int dx[8]= {1,0,-1,0,-1,-1,1,1};int dy[8]= {0,1,0,-1,-1,1,-1,1}; int tc = 1; #define F first #define S second #define pb push_back #define mp make_pair #define Pi atan(1)*4 #define ll long long int #define happy cin.tie(0); #define point(x) setprecision(x) #define coding ios::sync_with_stdio(false); #define Test printf("Case %d: ",tc++); #define Unique(c) (c).resize(unique(all(c))-(c).begin()) #define vout(v) for (auto z: v) cout << z << " "; cout << endl; void print(int n){printf("%d\n", n);} void Print(int n){printf("%d ", n);} void print(int n,int m){printf("%d ",n);printf("%d ",m);} void print(int n,int m,int k){printf("%d ",n);printf("%d ",m);printf("%d ",k);} void print(ll n){printf("%I64d\n", n);} void Print(ll n){printf("%I64d ", n);} void print(ll n,ll m){printf("%I64d ",n);printf("%I64d ",m);} void print(ll n,ll m,ll k){printf("%I64d ",n);printf("%I64d ",m);printf("%I64d ",k);} int length(long long x){int l = 0;for(long long i=x;i;i/=10)l++;return l;} int length(string s){return s.size();} const int M = 1e9 + 7; long long pow(long long a,long long n){ll res = 1;while(n){if(n&1) res = ((res%M)*(a%M))%M;a = ((a%M)*(a%M))%M;n>>=1;}return res%M;} #define pr pair<int, int> #define vpr vector<pr> #define vi std::vector<int> #define vll std::vector<ll> #define all(n) n.begin(),n.end() const int Inf = (int)2e9 + 5; const ll Lnf = (ll)2e18 + 5; const int N = 4e5 + 5; const int NN = 1e6 + 5; int solve() { //happy coding int n; cin>>n; int a[n]; for(int i=0;i<n;i++){ cin>>a[i]; } int mn = 0; map<int,int>vis; for(int i=0;i<n;i++){ vis[a[i]] = 1; if(vis[mn] == 0){ cout<<mn<<endl; }else{ while(vis[mn])mn++; cout<<mn<<endl; } } return 0; //error(); } int main(){ int test = 1; //readline(test);//(void)getchar(); while (test--)solve();return 0; }
#include <iostream> #include <cmath> #include <vector> #include <string> #include <algorithm> using namespace std; #define ll long long int main(){ ll int N; cin >> N; vector<ll int> a(N); for( ll int i = 0; i < N; i++){ cin >> a.at(i); } vector<ll int> sum_each_step(N); ll int max_at_each_step = 0; ll int max_point = 0; // 1 ステップ目について sum_each_step.at(0) = a.at(0); if( sum_each_step.at(0) > 0){ max_at_each_step = sum_each_step.at(0); max_point += max_at_each_step; } ll int last_point_pre_step = 0; for( ll int i = 1; i < N; i++){ // 1 個前までのステップで進んだ点 last_point_pre_step += sum_each_step.at(i-1); // i = 1 なら 0(1ステップ)までの進行 + 1 (2ステップ)での進行 sum_each_step.at(i) = sum_each_step.at(i-1) + a.at(i); if( sum_each_step.at(i) > max_at_each_step ){ max_at_each_step = sum_each_step.at(i); } if( last_point_pre_step + max_at_each_step > max_point ){ max_point = last_point_pre_step + max_at_each_step; } } cout << max_point; return 0; }
#include<bits/stdc++.h> using namespace std; #define FOR(i, x, y) for(int i = (x); i < (y); ++i) #define REP(i, x, y) for(int i = (x); i <= (y); ++i) #define PB push_back #define MP make_pair #define PH push #define fst first #define snd second typedef long long ll; typedef unsigned long long ull; typedef double lf; typedef long double Lf; typedef pair<int, int> pii; const int maxn = 2e5 + 5; const int maxk = 305; const int INF = 998244353; class Number{ public: int dat; Number(){} Number(int dat_): dat(dat_){} inline Number&operator += (const Number &oth){ (dat += oth.dat) -= (dat >= INF ? INF : 0); return *this; } inline Number&operator -= (const Number &oth){ (dat -= oth.dat) += (dat < 0 ? INF : 0); return *this; } inline Number&operator *= (const Number &oth){ dat = 1ll * dat * oth.dat % INF; return *this; } inline Number operator + (const Number &oth)const{ Number ret = *this; ret += oth; return ret; } inline Number operator - (const Number &oth)const{ Number ret = *this; ret -= oth; return ret; } inline Number operator * (const Number &oth)const{ Number ret = *this; ret *= oth; return ret; } }a[maxn], binom[maxk][maxk], pw[2][maxn], s[maxk]; const Number inv2 = (INF + 1) / 2; int n, k; inline void precalc(){ int p = 0, q = 1; REP(i, 0, k){ binom[i][0] = 1; REP(j, 1, i) binom[i][j] = binom[i - 1][j - 1] + binom[i - 1][j]; FOR(j, 0, n){ pw[q][j] = (!i ? 1 : pw[p][j] * a[j]); s[i] += pw[q][j]; } swap(p, q); } return; } int main(){ scanf("%d%d", &n, &k); FOR(i, 0, n) scanf("%d", &a[i].dat); precalc(); REP(x, 1, k){ Number ans = 0; REP(i, 0, x){ Number res = s[i] * s[x - i] - s[x]; ans += res * binom[x][i]; } printf("%d\n", (ans * inv2).dat); } return 0; }
#include <bits/stdc++.h> // clang-format off using namespace std; using ll = int64_t; using ull = uint64_t; const ll INF = 9e18; void print0() {} template<typename Head,typename... Tail> void print0(Head head,Tail... tail){cout<<fixed<<setprecision(15)<<head;print0(tail...);} void print() { print0("\n"); } template<typename Head,typename... Tail>void print(Head head,Tail... tail){print0(head);if(sizeof...(Tail)>0)print0(" ");print(tail...);} // clang-format on const ll MODULO = 998244353; ll mod_minus(ll x, ll modval) { if (x >= 0) { return x % modval; } else { ll mm = ((-x) % modval); if (mm == 0) { return 0; } else { return modval - mm; } } } ll mod(ll x) { return mod_minus(x, MODULO); } const ll COMBMAX = 212345; ll fac[COMBMAX], finv[COMBMAX], inv[COMBMAX]; void combination_init() { fac[0] = fac[1] = 1; finv[0] = finv[1] = 1; inv[1] = 1; for (int i = 2; i < COMBMAX; i++) { fac[i] = fac[i - 1] * i % MODULO; inv[i] = MODULO - inv[MODULO % i] * (MODULO / i) % MODULO; finv[i] = finv[i - 1] * inv[i] % MODULO; } } ll combination(ll n, ll k) { if (n < k) return 0; if (n < 0 || k < 0) return 0; return fac[n] * (finv[k] * finv[n - k] % MODULO) % MODULO; } int main() { ll N, K; cin >> N >> K; vector<ll> a(N); for (ll i = 0; i < N; i++) { cin >> a[i]; } vector<ll> apow(N, 1); vector<ll> powsum(K + 1, 0); powsum[0] = N; for (ll k = 1; k <= K; k++) { for (ll i = 0; i < N; i++) { apow[i] = (apow[i] * a[i]) % MODULO; powsum[k] = (powsum[k] + apow[i]) % MODULO; } } combination_init(); for (ll k = 1; k <= K; k++) { ll result = 0; for (ll m = 0; m <= k; m++) { ll v = 0; v = mod(powsum[m] * powsum[k - m]); v = mod(v - powsum[k]); v = mod(combination(k, k - m) * v); result = mod(v + result); } result = mod(finv[2] * result); print(result); } }
#include <iostream> #include <algorithm> #include <cmath> #include <vector> #include <list> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <string> #include <numeric> #include <ctype.h> #include <limits> #include <iomanip> #define rep(i,n) for (int i = 0; i < n; i++) #define all(x) (x).begin(),(x).end() using namespace std; typedef long long ll; int main() { int n, q; cin >> n >> q; vector<ll>a(n); rep(i, n)cin >> a[i]; sort(all(a)); ll k; rep(i, q) { cin >> k; ll ans; ll l = k - 2; ll r = k + n + 2; ll c; while (l + 1 < r) { c = (l + r) / 2; auto itr = upper_bound(all(a), c); if (c - ll(itr - a.begin())>= k)r = c; else l = c; } ans = r; cout << ans << endl; } return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long; using pii = pair<int, int>; int main() { int n, q; cin >> n >> q; vector<ll> a(n + 1); for (int i = 1; i <= n; i++) cin >> a[i]; a.push_back(2e18); vector<ll> s(n + 2); rep(i, n + 1) { s[i + 1] = s[i] + a[i + 1] - a[i] - 1; } rep(i, q) { ll k; cin >> k; auto itr = lower_bound(s.begin(), s.end(), k) - s.begin(); itr--; k -= s[itr]; ll ans = a[itr] + k; cout << ans << endl; //cout << s[itr] << endl; } return 0; }
#include<iostream> #include<string> #include<vector> #include<algorithm> using namespace std; int main() { string s; cin >> s; long long int n = s.length(); long long int one = 0, two = 0, sum = 0; for (long long int i = 0; i < n; i++) { int num = s[i] - 48; if (num % 3 == 1) one++; else if (num % 3 == 2) two++; sum += num; } int res = -2; if (sum % 3 == 0) res = 0; else { if (abs(two - one) < n) { res = abs(two - one); } two = two % 3; one = one % 3; if (abs(two - one) < n) res = abs(two - one) > res ? res : abs(two - one); } if (res == -2) res = -1; cout << res << endl; }
#include<bits/stdc++.h> #define pu push #define pb push_back #define mp make_pair #define fi first #define sc second #define rep(i,x) for(int i=0;i<x;i++) #define rrep(i,x) for(int i=1;i<=x;i++) #define drep(i,n) for(int i = (n)-1; i >= 0; i--) #define srep(i,s,t) for (int i = s; i < t; ++i) #define rng(a) a.begin(),a.end() #define rrng(a) a.rbegin(),a.rend() #define isin(x,l,r) ((l) <= (x) && (x) < (r)) #define sz(x) (int)(x).size() #define pcnt __builtin_popcountll #define uni(x) x.erase(unique(rng(x)),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 BITSC(x,v) (binary_search(x.begin(),x.end(),v) #define dup(x,y) (((x)+(y)-1)/(y)) #define v(T) vector<T> #define vv(T) v(v(T)) using namespace std; typedef long long ll; typedef pair<int,int> P; typedef tuple<int,int,int> T; typedef vector<int> vi; typedef vector<vi> vvi; typedef vector<ll> vl; typedef vector<P> vp; typedef vector<T> vt; int getInt(){int x;scanf("%d",&x);return x;} template<typename T>istream& operator>>(istream&i,v(T)&v){rep(j,sz(v))i>>v[j];return i;} const double eps =1e-10; const ll LINF = 1001002003004005006ll; const int INF = 1001001001; #define dame { puts("-1"); return 0;} #define yn {puts("Yes");}else{puts("No");} int main(){ string n;cin>>n; int ans=2000; srep(i,1,(1<<n.size())){ int temp=0; int count=0; rep(j,n.size()){ if((1<<j)&i){ temp+=n[j]; count++; } } if(temp%3==0&&ans>n.size()-count)ans=n.size()-count; } if(ans==2000)cout<<-1<<endl; else cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> VI; typedef vector<VI> VVI; typedef vector<long long> VL; typedef vector<vector<long long>> VVL; typedef pair<ll,ll> Pair; typedef tuple<int,int,int> tpl; #define ALL(a) (a).begin(),(a).end() #define SORT(c) sort((c).begin(),(c).end()) #define REVERSE(c) reverse((c).begin(),(c).end()) #define EXIST(m,v) (m).find((v)) != (m).end() #define LB(a,x) lower_bound((a).begin(), (a).end(), x) - (a).begin() #define UB(a,x) upper_bound((a).begin(), (a).end(), x) - (a).begin() #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define RFOR(i,a,b) for(int i=(a)-1;i>=(b);--i) #define RREP(i,n) RFOR(i,n,0) #define en "\n" constexpr double EPS = 1e-9; constexpr double PI = 3.1415926535897932; constexpr int INF = 2147483647; constexpr long long LINF = 1LL<<60; constexpr long long MOD = 1000000007; // 998244353; 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;} ll solve1(VL& g, VL& b){ int ng = g.size(), nb = b.size(), pos = 0; ll ret = LINF; REP(i,nb){ while(pos<ng-1 && abs(b[i]-g[pos]) > abs(b[i]-g[pos+1])) pos++; chmin(ret, abs(b[i]-g[pos])); } return ret; } VL f(VL& b, VL& v){ int n = b.size(), m = v.size(), pos = 0; VL ret(n); REP(i,n){ while(pos<m-1 && abs(v[pos]-b[i]) > abs(v[pos+1]-b[i])) pos++; ret[i] = abs(v[pos]-b[i]); } return ret; } ll solve2(VL& r, VL& g, VL& b){ int n = b.size(), nr = r.size(), ng = g.size(); if(n==0) return LINF; VL dr = f(b,r), dg = f(b,g); VI pr(n), pg(n); REP(i,n) pr[i] = pg[i] = i; auto cr = [&](int i, int j){return dr[i]<dr[j];}; auto cg = [&](int i, int j){return dg[i]<dg[j];}; sort(ALL(pr), cr); sort(ALL(pg), cg); ll ret = LINF; if(pr[0] != pg[0]) chmin(ret, dr[pr[0]] + dg[pg[0]]); else chmin(ret, min(dr[pr[0]]+dg[pg[1]], dr[pr[1]]+dg[pg[0]])); return ret; } void Main(){ int N; cin >> N; int M = N<<1, nr=0, ng=0, nb=0; VL r,g,b; vector<char> c(M); REP(i,M){ ll a; char c; cin >> a >> c; if(c=='R') nr++, r.push_back(a); else if(c=='G') ng++, g.push_back(a); else nb++, b.push_back(a); } if(nr%2 + ng%2 + nb%2 == 0){ cout << 0 << en; return; } SORT(r); SORT(g); SORT(b); if(nr%2 == 0) swap(r,b); else if(ng%2 == 0) swap(g,b); ll ans = solve1(r,g); chmin(ans, solve2(r,g,b)); cout << ans << en; return; } int main(void){ cin.tie(0);cout.tie(0);ios_base::sync_with_stdio(0);cout<<fixed<<setprecision(15); int t=1; //cin>>t; while(t--) Main(); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define MOD int(1e9+7) #define INF int(1e9+7) #define LINF ll(1e18+7) #define PI acos(-1) #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define P pair<ll,ll> #define chmax(x,y) (x = max(x,y)) #define chmin(x,y) (x = min(x,y)) int n; int Mat[550][550]; int main(){ cin>>n; rep(i,n)rep(j,n) cin>>Mat[i][j]; vector<int> a(n),b(n); a[0]=0; b[0]=Mat[0][0]-a[0]; bool ok=1; rep(i,n) a[i]=Mat[i][0]-b[0]; rep(j,n) b[j]=Mat[0][j]-a[0]; rep(i,n)rep(j,n){ if(a[i]+b[j]!=Mat[i][j]) ok=0; } int amin=INT_MAX, bmin=INT_MAX; rep(i,n) chmin(amin,a[i]); rep(i,n) chmin(bmin,b[i]); if(amin<0 && bmin<0) ok=0; else if(amin<0){ rep(i,n) a[i]+=abs(amin); rep(i,n){ b[i]-=abs(amin); if(b[i]<0) ok=0; } }else if(bmin<0){ rep(i,n) b[i]+=abs(bmin); rep(i,n){ a[i]-=abs(bmin); if(a[i]<0) ok=0; } } if(ok){ cout<<"Yes"<<endl; rep(i,n) cout<<a[i]<<" "; cout<<endl; rep(i,n) cout<<b[i]<<" "; cout<<endl; }else{ cout<<"No"<<endl; } }
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<int, int>; #define rep(i, n) for(int i = 0; i < (n); ++i) bool solve() { int n, m, t; cin >> n >> m >> t; vector<int> a(m), b(m); int bat = n; int time = 0; rep(i, m) { cin >> a[i] >> b[i]; bat -= (a[i] - time); if (bat <= 0) return false; bat = min(bat + b[i] - a[i], n); time = b[i]; } bat -= t - time; if (bat <= 0) return false; return true; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout << (solve() ? "Yes" : "No") << endl; return 0; }
#define rep(i, n) for(int i = 0; i < (int)(n); i++) #include <iostream> #include <string> #include <algorithm> #include<vector> #include<cmath> using namespace std; int main(){ int n,m,t; string ans = "Yes"; cin >> n >> m >> t; int power = n; int nt = 0; rep(i,m){ int a,b; cin >> a >> b; power -= (a -nt); if(power <= 0){ ans = "No"; break; } //cout << power << endl; power = min(n,power + (b-a)); //cout << power << endl; nt = b; } if(power -(t -nt) <=0){ ans = "No"; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; typedef pair<long long, int> P; struct edge{ int to; long long cost; long long time; }; int main(){ int N, M, X , Y; cin >> N >> M >> X >> Y; X--; Y--; vector<vector<edge>> G(N); for(int i = 0; i < M; i++){ int A, B; cin >> A >> B; A--; B--; long long T, K; cin >> T >> K; G[A].push_back({B, T, K}); G[B].push_back({A, T, K}); } long long INF = 1e18; priority_queue<P, vector<P>, greater<P>> q; vector<long long> d(N, INF); d[X] = 0; q.push(P(0, X)); while(!q.empty()){ P v = q.top(); q.pop(); if(d[v.second] < v.first) continue; for(edge e: G[v.second]){ long long t = (v.first + e.time - 1) / e.time * e.time; if(d[e.to] > t + e.cost){ d[e.to] = t + e.cost; q.push(P(d[e.to], e.to)); } } } if(d[Y] == INF) cout << -1 << endl; else cout << d[Y] << endl; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n,m,x,y; cin>>n>>m>>x>>y; vector<ll> adj[n+1],dis[n+1],tim[n+1],ans(n+1); for(ll i=0;i<m;i++){ ll a,b,c,d; cin>>a>>b>>c>>d; adj[a].push_back(b); adj[b].push_back(a); dis[a].push_back(c); dis[b].push_back(c); tim[a].push_back(d); tim[b].push_back(d); } for(ll i=1;i<n+1;i++) ans[i]=-1; ans[x]=0; queue<ll> q; q.push(x); while(!q.empty()){ ll x1=q.front(); q.pop(); for(ll i=0;i<adj[x1].size();i++){ ll x2=ans[x1]; if(x2%tim[x1][i]!=0){ x2+=tim[x1][i]-(x2%tim[x1][i]); } if((ans[adj[x1][i]]==-1)||(x2+dis[x1][i]<ans[adj[x1][i]])){ ans[adj[x1][i]]=x2+dis[x1][i]; q.push(adj[x1][i]); } } } cout<<ans[y]; return 0; }
#include <bits/stdc++.h> #include<vector> using namespace std; typedef long long ll; const ll MOD = 1000000007; int main(){ string s; cin>>s; for(int i=s.size()-1;0<=i;i--){ if(s[i]=='6'){ cout<<'9'; }else if(s[i]=='9'){ cout<<'6'; }else{ cout<<s[i]; } } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long int ll; typedef pair<ll, ll> p_ll; typedef vector<pair<ll, ll>> vec_p; //vector<pair<ll, ll>> pairs(n) ,pairs.at(i) = make_pair(i*i, i) #define ture ture #define flase false #define falg flag #define REP(i, x) for (ll i = 0; i < (ll)(x); i++) #define REPS(i, x) for (ll i = 1; i <= (ll)(x); i++) #define RREP(i, x) for (ll i = ((ll)(x)-1); i >= 0; i--) #define RREPS(i, x) for (ll i = ((ll)(x)); i > 0; i--) #define all(x) (x).begin(), (x).end() const ll MOD = pow(10, 9) + 7; const ll LLINF = pow(2, 61) - 1;//llの最大9*10^18 const int INF = pow(2, 30) - 1; ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } int main() { ios::sync_with_stdio(false); cin.tie(0); ll N; string S; cin >> S; reverse(S.begin(), S.end()); REP(i,S.size()){ if(S.at(i)=='6'){ cout << '9'; } else if (S.at(i) == '9'){ cout << '6'; } else{ cout << S.at(i); } } cout << endl; 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> using namespace std; template <typename T> inline void read(T &x){ x=0;char ch=getchar();bool f=false; while(!isdigit(ch)){if(ch=='-'){f=true;}ch=getchar();} while(isdigit(ch)){x=(x<<1)+(x<<3)+(ch^48);ch=getchar();} x=f?-x:x; return ; } template <typename T> inline void write(T x){ if(x<0) putchar('-'),x=-x; if(x>9) write(x/10); putchar(x%10^48); return ; } #define ll long long const int N=2e5+5,M=1e8; int n,m,q; ll a[N],b[N]; struct SGTree{ int cur,root; ll sum[N*80]; int num[N*80],ls[N*80],rs[N*80]; void Modify(int &x,int l,int r,int pos,int v,int tp){ if(!x) x=++cur; int mid=l+r>>1;sum[x]+=v*tp;num[x]+=tp; if(l==r) return ; if(pos<=mid) Modify(ls[x],l,mid,pos,v,tp); else Modify(rs[x],mid+1,r,pos,v,tp); return ; } ll QuerySum(int x,int l,int r,int ql,int qr){ if(ql>qr||!x) return 0; if(ql<=l&&r<=qr) return sum[x]; int mid=l+r>>1;ll res=0; if(ql<=mid) res+=QuerySum(ls[x],l,mid,ql,qr); if(qr>mid) res+=QuerySum(rs[x],mid+1,r,ql,qr); return res; } int QueryNum(int x,int l,int r,int ql,int qr){ if(ql>qr||!x) return 0; if(ql<=l&&r<=qr) return num[x]; int mid=l+r>>1,res=0; if(ql<=mid) res+=QueryNum(ls[x],l,mid,ql,qr); if(qr>mid) res+=QueryNum(rs[x],mid+1,r,ql,qr); return res; } }t1,t2; ll Ans; int main(){ read(n),read(m),read(q); for(int i=1;i<=n;i++) t1.Modify(t1.root,0,M,a[i],a[i],1); for(int i=1;i<=m;i++) t2.Modify(t2.root,0,M,b[i],b[i],1); // for(int i=1;i<=n;i++){ // Ans+=1ll*t2.QueryNum(t2.root,0,M,1,a[i])*a[i]; // Ans+=1ll*t2.QuerySum(t2.root,0,M,a[i]+1,M); // } for(int i=1;i<=q;i++){ int op,pos;ll v; read(op),read(pos),read(v); if(op==1){ Ans-=1ll*t2.QueryNum(t2.root,0,M,0,a[pos])*a[pos]; Ans-=1ll*t2.QuerySum(t2.root,0,M,a[pos]+1,M); t1.Modify(t1.root,0,M,a[pos],a[pos],-1); a[pos]=v; Ans+=1ll*t2.QueryNum(t2.root,0,M,0,a[pos])*a[pos]; Ans+=1ll*t2.QuerySum(t2.root,0,M,a[pos]+1,M); t1.Modify(t1.root,0,M,a[pos],a[pos],1); } else{ Ans-=1ll*t1.QueryNum(t1.root,0,M,0,b[pos])*b[pos]; Ans-=1ll*t1.QuerySum(t1.root,0,M,b[pos]+1,M); t2.Modify(t2.root,0,M,b[pos],b[pos],-1); b[pos]=v; Ans+=1ll*t1.QueryNum(t1.root,0,M,0,b[pos])*b[pos]; Ans+=1ll*t1.QuerySum(t1.root,0,M,b[pos]+1,M); t2.Modify(t2.root,0,M,b[pos],b[pos],1); } write(Ans),putchar('\n'); } return 0; }
#include <bits/stdc++.h> using namespace std; int H, W; char A[2000][2001]; int dp[2000][2000]; int main() { scanf("%d %d", &H, &W); for (int i = 0;i < H;i++) { scanf("%s", A[i]); } dp[H - 1][W - 1] = 0; for (int i = W - 2;i >= 0;i--) { dp[H - 1][i] = (A[H - 1][i + 1] == '+' ? 1 : -1) - dp[H - 1][i + 1]; } for (int i = H - 2;i >= 0;i--) { dp[i][W - 1] = (A[i + 1][W - 1] == '+' ? 1 : -1) - dp[i + 1][W - 1]; } for (int i = H - 2;i >= 0;i--) { for (int j = W - 2;j >= 0;j--) { dp[i][j] = max((A[i][j + 1] == '+' ? 1 : -1) - dp[i][j + 1], (A[i + 1][j] == '+' ? 1 : -1) - dp[i + 1][j]); } } if (dp[0][0] > 0)printf("Takahashi\n"); else if (dp[0][0] == 0)printf("Draw\n"); else { printf("Aoki\n"); } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = int64_t; int H,W; vector<vector<char>> A; vector<vector<ll>> dp(2000,vector<ll>(2000)); int f(int y,int x){ int p; if(A[y][x] == '+') p=1; else p=-1; if((x+y)%2==0) p*=-1; return p; } int main(){ cin>>H>>W; A.resize(H); for(int i=0;i<H;i++) A[i].resize(W); for(int i=0;i<H;i++) for(int j=0;j<W;j++) cin>>A[i][j]; for(int i=H-1;i>=0;i--){ for(int j=W-1;j>=0;j--){ if(i==H-1&&j==W-1) dp[i][j] = 0; else if(i==H-1) dp[i][j] = dp[i][j+1]+f(i,j+1); else if(j==W-1) dp[i][j] = dp[i+1][j]+f(i+1,j); else{ if((i+j)%2==0) dp[i][j] = max(dp[i][j+1]+f(i,j+1),dp[i+1][j]+f(i+1,j)); else dp[i][j] = min(dp[i][j+1]+f(i,j+1),dp[i+1][j]+f(i+1,j)); } } }/* for(int i=0;i<H;i++){ for(int j=0;j<W;j++){ printf("%3d",dp[i][j]); } cout<<"\n"; } */ if(dp[0][0] > 0) cout<<"Takahashi"; else if(dp[0][0] < 0) cout<<"Aoki"; else cout<<"Draw"; }
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; int n = s.length(); string result = ""; for (int j = 0; j < n; j++) { int i = n - 1 - j; if (s[i] == '0') result += "0"; if (s[i] == '1') result += "1"; if (s[i] == '6') result += "9"; if (s[i] == '8') result += "8"; if (s[i] == '9') result += "6"; } cout << result << endl; }
#include <bits/stdc++.h> using namespace std; #define SZ(x) (int)(x).size() #define REP(i,n) for(int i=0;i<(n);i++) #define FOR(i,a,b) for(int i=(a);i<(b);i++) #define REPR(i,n) for(int i=(n)-1;i>=0;i--) #define ALL(s) (s).begin(), (s).end() #define so(V) sort(ALL(V)) #define rev(V) reverse(ALL(V)) #define uni(v) v.erase( unique(ALL(v)) , v.end()); typedef long long unsigned int llu; typedef long long ll; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<bool> vb; typedef vector<vi> vvi; const double EPS = 1e-9; const int MOD = 1e9 + 7; const int INF = (1 << 29); const ll LINF = 1e18; const double PI = acos(-1); template<typename T> vector<T> make_v(size_t a) { return vector<T>(a); } template<typename T, typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...)); } template <typename T, typename V> typename enable_if<is_class<T>::value == 0>::type fill_v(T& t, const V& v) { t = v; } template<typename T, typename V> typename enable_if<is_class<T>::value != 0>::type fill_v(T& t, const V& v) { for (auto& e : t) fill_v(e, v); } 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 (a > b) { a = b; return 1; } return 0; } int main() { cin.tie(0); ios::sync_with_stdio(false); int X; cin >> X; cout << 100 - (X % 100) << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define gc getchar_unlocked #define fo(i,n) for(i=0;i<n;i++) #define Fo(i,k,n) for(i=k;k<n?i<n:i>n;k<n?i+=1:i-=1) #define ll long long #define deb(x) cout << #x << "=" << x << endl #define deb2(x, y) cout << #x << "=" << x << "," << #y << "=" << y << endl #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 typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<pii> vpii; typedef vector<vi> vvi; //======================= const int MOD = 1000000007; const int N = 2e6+13, M = N; //======================= vi g[N]; int arr[N]; vi a; int n, m, k; //======================= void solve() { int i, j, sx, sy, gx, gy; cin >> sx >> sy >> gx >> gy; double ans = 1.0 * sy * gx; ans += 1.0*gy*sx; ans = ans / (1.0*(sy + gy)); cout << setprecision(10) << fixed; cout << ans << endl; } int main() { 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 t = 1; while(t--) { solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; #define rep(i,n) for (int i = 0; i < (int)(n) ; i++) #define rep2(i,a,b) for (int i = (a); i < (int)(b); i++) #define Rrep(i,n) for (int i = (n); i >= 0; i--) #define ENDL '\n' #define SZ(a) (int)(a.size()) #define all(a) a.begin(),a.end() ll powi(ll x,ll y) { //繰り返し二乗法 if(y==0) return 1; if(y==1) return x; if(y%2==1) return x*pow(x,y-1); ll rt = pow(x,y/2); return rt*rt; } ll score(string s, ll n) { n++; s.at(4) = to_string(n).at(0); vector<ll> ci(9,0); rep(i,5) ci.at(s.at(i)-'0'-1)++; ll ret=0; rep(i,9) { ret+=(i+1)*powi(10,ci.at(i)); } return ret; } int main() { cout << fixed << setprecision(20); ll k; cin >> k; string s, t; cin >> s >> t; vector<ll> cards(9,k); rep(i,4) cards.at(s.at(i)-'0'-1)--; rep(i,4) cards.at(t.at(i)-'0'-1)--; /* ld all = 0; rep(i,9) { rep(j,9) { if (i==j) { if(cards.at(i) <2) continue; all += cards.at(i)*(cards.at(i)-1); } else all += cards.at(i)*cards.at(j); } } */ ld win = 0; rep(i,9) { rep(j,9) { if(cards.at(i) && cards.at(j)) { if(score(s,i)>score(t,j)) { win+=cards.at(i)*(cards.at(j)-(i==j)); /* if (i==j) { if(cards.at(i)<2) continue; win += cards.at(i)*(cards.at(i)-1); } else win += cards.at(i)*cards.at(j); */ } } } } ll rem=9*k-8; cout << win/rem/(rem-1) << endl; }
#include <bits/stdc++.h> #define rep(i,n) for (int i = 0; i < (n); ++i) #define rrep(i,n) for(int i = 1; i <= (n); ++i) using namespace std; typedef long long ll; typedef pair<int,int>P; const int INF = 1001001001; int main() { int n, s, d; cin >> n >> s >> d; vector<int>x(n), y(n); rep(i,n) cin >> x[i] >> y[i]; bool OK = false; rep(i,n){ if(x[i] < s && y[i] > d) OK = true; } if(OK) puts("Yes"); else puts("No"); return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long // memo fixed setprecision(20); using vvll = vector<vector<ll>>; ll mod =1e9+7; /*"itob" int to "N"base */ template<typename TypeInt> string itob(const TypeInt v, int base){static const char table[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";string ret;static numeric_limits<TypeInt> t;TypeInt n = v;if (t.is_signed) {if (v < 0) n *= -1;}while (n >= base) {ret += table[n%base];n /= base;}ret += table[n];if (t.is_signed) {if (v < 0 && base == 10) ret += '-';}reverse(ret.begin(), ret.end());return ret;} /*"chmin" a = MAX*/ template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } /*"chmax" a = MIN*/ template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } /*"ctoi" char to int*/ int ctoi(char c) {return c-'0';} /*"gcd" MAX Euclidean */ ll gcd(ll a,ll b){if(b==0)return a; return gcd(b,a%b);} /*"lcm" MIN*/ ll lcm(ll a,ll b){ll g = gcd(a,b);return a/g*b;} /*"primecheck"If prime,return true.*/bool primecheck(ll n){if(n < 2) return false;else{for(int i = 2; i * i <= n; i++){if(n % i == 0) return false;}return true;}} string reverserange(string s,ll a,ll b){reverse(s.begin()+a-1,s.begin()+b); return s;} ll modpow(ll a,ll n, ll mod){ll res = 1;while(n>0){if (n%2==1){res = res * a % mod;}a = a * a % mod;n/=2;}return res;} int main() { ll n,s,d; cin >>n >>s>>d; for(int i=0;i<n;i++){ ll a,b; cin >>a>>b; if(a<s&&b>d){cout<<"Yes"<<endl;return 0 ;} } cout<<"No"<<endl; }
#include<bits/stdc++.h> using namespace std; #define int long long signed main() { int modd=998244353; int a,b,c; cin>>a>>b>>c; a=a*(a+1); a=a/2; b=b*(b+1); b=b/2; c=c*(c+1); c=c/2; a=a%modd; b=b%modd; c=c%modd; a=(a*b)%modd; a=(a*c)%modd; cout<<a; }
#pragma GCC target("avx") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> // #include<ext/pb_ds/assoc_container.hpp> // #include<ext/pb_ds/tree_policy.hpp> // #include<ext/pb_ds/tag_and_trait.hpp> // using namespace __gnu_pbds; // #include<boost/multiprecision/cpp_int.hpp> // namespace multiprecisioninteger = boost::multiprecision; // using cint=multiprecisioninteger::cpp_int; using namespace std; using ll=long long; #define double long double using datas=pair<ll,ll>; using ddatas=pair<double,double>; using tdata=pair<ll,datas>; using vec=vector<ll>; using mat=vector<vec>; using pvec=vector<datas>; using pmat=vector<pvec>; // using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>; #define For(i,a,b) for(i=a;i<(ll)b;++i) #define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i) #define rep(i,N) For(i,0,N) #define rep1(i,N) For(i,1,N) #define brep(i,N) bFor(i,N,0) #define brep1(i,N) bFor(i,N,1) #define all(v) (v).begin(),(v).end() #define allr(v) (v).rbegin(),(v).rend() #define vsort(v) sort(all(v)) #define vrsort(v) sort(allr(v)) #define endl "\n" #define eb emplace_back #define print(x) cout<<x<<endl #define printyes print("Yes") #define printno print("No") #define printYES print("YES") #define printNO print("NO") #define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0) #define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0) // const ll mod=1000000007; const ll mod=998244353; const ll inf=1LL<<60; const double PI=acos(-1); const double eps=1e-9; template<class T,class E> ostream& operator<<(ostream& os,pair<T,E>& p){return os<<"{"<<p.first<<","<<p.second<<"}";} template<class T> inline bool chmax(T& a,T b){bool x=a<b;if(x)a=b;return x;} template<class T> inline bool chmin(T& a,T b){bool x=a>b;if(x)a=b;return x;} void startupcpp(){ cin.tie(0); ios::sync_with_stdio(false); cout<<fixed<<setprecision(15); } double distance(ddatas x,ddatas y){ double a=x.first-y.first,b=x.second-y.second; return sqrt(a*a+b*b); } ll modinv(ll a,ll m=mod) { ll b=m,u=1,v=0,t; while(b){ t=a/b; a-=t*b; swap(a,b); u-=t*v; swap(u,v); } return (u+m)%m; } ll moddevide(ll a,ll b){return (a*modinv(b))%mod;} vec modncrlistp,modncrlistm; ll modncr(ll n,ll r){ if(n<r)return 0; ll i,size=modncrlistp.size(); if(size<=n){ modncrlistp.resize(n+1); modncrlistm.resize(n+1); if(!size){ modncrlistp[0]=modncrlistm[0]=1; size++; } For(i,size,n+1){ modncrlistp[i]=modncrlistp[i-1]*i%mod; modncrlistm[i]=modinv(modncrlistp[i]); } } return modncrlistp[n]*modncrlistm[r]%mod*modncrlistm[n-r]%mod; } ll modpow(ll a,ll n,ll m=mod){ ll res=1; while(n>0){ if(n&1)res=res*a%m; a=a*a%m; n>>=1; } return res; } ll gcd(ll a,ll b){if(!b)return abs(a);return (a%b==0)?abs(b):gcd(b,a%b);} ll lcm(ll a,ll b){return a/gcd(a,b)*b;} ll countdigits(ll n){ ll ans=0; while(n){n/=10;ans++;} return ans; } ll sumdigits(ll n){ ll ans=0; while(n){ans+=n%10;n/=10;} return ans; } ll N,M,K,H,W,A,B,C,D; string s,t; ll ans; int main(){ startupcpp(); // int codeforces;cin>>codeforces;while(codeforces--){ ll i,j; cin>>A>>B>>C; A=(1+A)*A/2%mod; B=(1+B)*B/2%mod; C=(1+C)*C/2%mod; print(A*B%mod*C%mod); // } }
#include<bits/stdc++.h> using namespace std; using ll = long long; using pii = pair<int,int>; #define rep(i,n) for(int i=0; i<(int)n; i++) #define llrep(i,n) for(ll i=0; i<(ll)n; i++) #define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end()) //sortしてから使う #define INF 2147483647 #define LLINF 9223372036854775807LL #define kiriage(x,y) (((x)+(y)-1)/(y)) typedef vector<int> vi; typedef vector<ll> vll; typedef vector<pii> vp; int main(){ int n; cin>>n; vector<pair<int, int>> x(n), y(n); rep(i,n){ cin>>x[i].first>>y[i].first; x[i].second = i; y[i].second = i; } //fiが座標、seは何個目の組か sort(x.rbegin(), x.rend()); sort(y.rbegin(), y.rend()); //座標で降順ソート vector<tuple<ll, int, int>> t; vi one = {0,0,1}; vi two = {n-1,n-2,n-1}; llrep(i,3){ ll nowx = abs(x[one[i]].first-x[two[i]].first); ll nowy = abs(y[one[i]].first-y[two[i]].first); t.emplace_back(nowx, x[one[i]].second, x[two[i]].second); t.emplace_back(nowy, y[one[i]].second, y[two[i]].second); } sort(rbegin(t), rend(t)); int cnt = 0; int pre_x, pre_y; for (auto tmp:t){ cnt++; if (cnt >= 2){ if (get<1>(tmp) == pre_x && get<2>(tmp) == pre_y){ continue; } else cout << get<0>(tmp) << endl; return 0; } pre_x = get<1>(tmp); pre_y = get<2>(tmp); } }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll,ll> P; const int maxn=100000+10; int main() { vector <P> vec,vecx,vecy; int n; cin>>n; for(int i=0;i<n;i++) { P a; cin>>a.first>>a.second; vec.push_back(a); } vecx=vec; vecy=vec; sort(vecx.begin(),vecx.end(),[](P a,P b){return a.first>b.first;}); sort(vecy.begin(),vecy.end(),[](P a,P b){return a.second>b.second;}); vector <ll> ans; /*ans.push_back(abs(vecx[0].first-vecx[n-1].first)); ans.push_back(abs(vecx[0].first-vecx[n-2].first)); ans.push_back(abs(vecx[1].first-vecx[n-1].first)); ans.push_back(abs(vecy[0].second-vecy[n-1].second)); ans.push_back(abs(vecy[0].second-vecy[n-2].second)); ans.push_back(abs(vecy[1].second-vecy[n-1].second)); sort(ans.begin(),ans.end(),[](ll a,ll b){return a>b;}); cout<<ans[1]<<endl;*/ for(int i=n-1;i>0;i--) { if(abs(vecx[0].first-vecx[i].first)>abs(vecx[0].second-vecx[i].second)) ans.push_back(abs(vecx[0].first-vecx[i].first)); } for(int i=1;i<n-1;i++) { if(abs(vecx[n-1].first-vecx[i].first)>abs(vecx[n-1].second-vecx[i].second)) ans.push_back(abs(vecx[n-1].first-vecx[i].first)); } for(int i=n-1;i>0;i--) { if(abs(vecy[0].second-vecy[i].second)>=abs(vecy[0].first-vecy[i].first)) ans.push_back(abs(vecy[0].second-vecy[i].second)); } for(int i=1;i<n-1;i++) { if(abs(vecy[n-1].second-vecy[i].second)>=abs(vecy[n-1].first-vecy[i].first)) ans.push_back(abs(vecy[n-1].second-vecy[i].second)); } sort(ans.begin(),ans.end(),[](ll a,ll b) {return a>b;}); cout<<ans[1]<<endl; return 0; }
#include<bits/stdc++.h> using namespace std; long long pow(int k){ if(k==0) return 1; else{ long long a = 2*pow(k-1); a %= 998244353; return a; } } int main(){ int h,w; cin >> h >> w; vector<int> red(h+w-1),blue(h+w-1),white(h+w-1); for(int i = 0 ; i < h ; i++ ) { for(int j = 0 ; j < w ; j++ ) { char c; cin >> c; if(c=='R') red.at(i+j)++; else if(c=='B') blue.at(i+j)++; else white.at(i+j)++; } } int k=0; bool flag = true; for(int i = 0 ; i < h+w-1 ; i++ ) { if(red.at(i)*blue.at(i)==0){ if(red.at(i)==0&&blue.at(i)==0&&white.at(i)!=0)k++; } else { flag = false; break; } } if(flag) { cout << pow(k) << endl; } else { cout << 0 << endl; } }
#include "bits/stdc++.h" using namespace std; int main() { ios::sync_with_stdio(false); cin.tie(0); long long a = 0, b = 0, c = 0, d = 0, e = 0, f = 0, m = 0, n = 0, p = 0, q = 0, mod = 1000000007, pi = 3.1415926535; string s1, s2; char moji; cin >> a >> b; vector<string> v(a); for(int i=0;i<a;i++) { cin >> v.at(i); } n=1; for(int i=0;i<=a+b-2;i++) { int nanika=0; for(int j=max(0LL,i-a+1);j<=i&&i-j<a&&j<b;j++) { if(v.at(i-j).at(j)=='R') { if(nanika==2||nanika==3) { nanika=3; } else { nanika=1; } } else if(v.at(i-j).at(j)=='B') { if(nanika==1||nanika==3) { nanika=3; } else { nanika=2; } } } if(nanika==0) n*=2; if(nanika==3) n*=0; n%=998244353; } cout << n << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define fi first #define se second #define rep(i,n) for(int i=0;i<n;i++) #define all(v) v.begin(),v.end() #define pb push_back #define eb emplace_back 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;} constexpr int INF=1000000000; constexpr ll llINF=1000000000000000000; constexpr int mod=1000000007; constexpr double eps=1e-8; const double pi=acos(-1); int dx[]={0,1,0,-1},dy[]={1,0,-1,0}; int Random(int mi,int ma){ random_device rnd; mt19937 mt(rnd());//32bit //[mi,ma] uniform_int_distribution<int>engine(mi,ma); return engine(mt); } ll gcd(ll a,ll b){ if(b==0)return a; return gcd(b,a%b); } ll lcm(ll a,ll b){ return a/gcd(a,b)*b; } bool prime(int a){ if(a==1)return false; for(int i=2;i*i<=a;i++){ if(a%i==0)return false; } return true; } ll modpow(ll a,ll b){ if(b==0)return 1; if(b%2)return modpow(a,b-1)*a%mod; ll memo=modpow(a,b/2); return memo*memo%mod; } vector<ll>kaijo,invkaijo; void init_fact(int n){ kaijo.resize(n+1); invkaijo.resize(n+1); kaijo[0]=1; for(ll i=1;i<=n;i++){ kaijo[i]=kaijo[i-1]*i; kaijo[i]%=mod; } rep(i,n+1)invkaijo[i]=modpow(kaijo[i],mod-2); } /* vector<vector<ll>>C,sC; void init_comb(int n,int m){ C.resize(n+1,vector<ll>(m+1,0)); sC.resize(n+1,vector<ll>(m+1,0)); C[0][0]=1; for(int i=1;i<=n;i++){ C[i][0]=1; for(int j=1;j<=m;j++){ C[i][j]=(C[i-1][j-1]+C[i-1][j])%mod; } } rep(i,n+1){ rep(j,m){ sC[i][j+1]=(sC[i][j]+C[i][j])%mod; } } }*/ ll comb(int a,int b){ if(a<b)return 0; if(a<0)return 0; return kaijo[a]*invkaijo[a-b]%mod*invkaijo[b]%mod; } ll inv(ll x){ x=modpow(x,mod-2); return x; } struct BIT{ int n,beki=1; vector<int>bit; BIT(int x){ bit.resize(x+1,0); n=x; while(beki*2<=n)beki*=2; } int sum(int i){ int res=0; while(i>0){ res+=bit[i]; i-=i&-i; } return res; } int sum(int l,int r){ //[l,r] return sum(r)-(l==0?0:sum(l-1)); } void add(int i,int x){ while(i<=n){ bit[i]+=x; i+=i&-i; } } void add(int l,int r,int x){ //[l,r]+=x add(l,x); if(r<n)add(r+1,-x); } int lowerbound(int w){ if(w<=0)return 0; int x=0; for(int k=beki;k>0;k>>=1){ if(x+k<=n&&bit[x+k]<w){ w-=bit[x+k]; x+=k; } } return x+1; } }; int h,w,m; vector<int>G[200010]; int main(){ cin>>h>>w>>m; int mi=h-1,mj=w; rep(i,m){ int x,y; cin>>x>>y; x--; if(x==0)chmin(mj,y-1); else{ if(y==1)chmin(mi,x-1); G[x].pb(y); } } BIT bit(w); ll ans=0; rep(i,h){ if(i==0){ ans+=mj; continue; } for(int j:G[i]){ if(bit.sum(j,j)==0)bit.add(j,1); } if(i<=mi){ int mjn=w; for(int j:G[i]){ chmin(mjn,j-1); } ans+=mjn; if(mjn+1<=mj)ans+=(mj-mjn)-bit.sum(mjn+1,mj); } else{ ans+=mj-bit.sum(1,mj); } } cout<<ans<<endl; return 0; }
#include<bits/stdc++.h> #define endl '\n' #define mp make_pair #define pb push_back #define ll long long #define pii pair<int,int> #define sz(x) (int)(x).size() #define all(x) (x).begin(),(x).end() #define mem(a,b) memset(a,b,sizeof(a)) char *fs,*ft,buf[1<<20]; #define gc() (fs==ft&&(ft=(fs=buf)+fread(buf,1,1<<20,stdin),fs==ft))?0:*fs++; inline int read() { int x=0,f=1; char ch=gc(); while(ch<'0'||ch>'9') { if(ch=='-') f=-1; ch=gc(); } while(ch>='0'&&ch<='9') { x=x*10+ch-'0'; ch=gc(); } return x*f; } using namespace std; #define int long long const int mod = 1e9+7; const int INF = 0x3f3f3f3f; const int N = 2e5+10; string a="0123456789ABCDEF",s; int k,f[N][17]; int dfs(int pos,int st,int lim,int pre,int cnt) { if(pos==sz(s)) return (cnt==k); if(!lim&&f[pos][cnt]!=-1&&!st) return f[pos][cnt]; char high = lim?s[pos]:'F'; int res=0; for(int i=0;i<sz(a);i++) { if(st&&i==0) res = (res+dfs(pos+1,st&&i==0,lim&&a[i]==high,pre,cnt))%mod; else res = (res+dfs(pos+1,st&&i==0,lim&&a[i]==high,pre|(1<<i),cnt+(pre!=(pre|(1<<i)))))%mod; if(a[i]==high) break; } if(!lim&&!st) f[pos][cnt] = res; return res; } signed main() { cin>>s>>k; mem(f,-1); cout<<dfs(0,1,1,0,0)<<endl; }
///////////////////////Loading Payloads.......//////////////////////////// #include<bits/stdc++.h> #define f(i,a,b) for(int i = a; i < b; i++) #define fd(i,a,b) for(int i = a; i > b;i--) #define ll long long #define fl(i,a,b) for(ll i = a; i < b; i++) #define VI vector<int> #define VP vector<pair<int,int>> #define VS vector<string> #define VL vector<long long> #define VC vector<char> #define VF vector<float> #define VD vector<double> #define VB vector<bool> #define PB push_back #define F first #define S second #define fa(i,skill) for(auto i : skill) #define fr(i,skill) for(VI :: reverse_iterator i = skill.rbegin(); i != skill.rend(); i++) #define PI pair<int,int> #define mi map<int,int> #define mci map<char,int> #define all(x) x.begin(),x.end() #define MAX 1000000007 #define debug(x) cout<<"This side ----> "<<#x<<" -> "<<x<<endl using namespace std; ///////////////////////Engine Check.......//////////////////////////// void edit(VI &skill,int n) { f(i,0,n) { int x; cin >> x; skill.PB(x); } } void editl(VL &skill,ll n) { fl(i,0,n) { ll x; cin >> x; skill.PB(x); } } void achilles(int w) { string s;cin >> s; s += s[0]; cout << s[1]<<s[2]<<s[3] << "\n"; } ///////////////////////3....2....1...Ignition//////////////////////////// int main() { ios :: sync_with_stdio(0); cin.tie(0); //freopen("out.txt","r",stdin); int x = 1; /*int t;cin >>t ; while(t--)*/ {achilles(x);x++;} return 0; }
#include <iostream> #include <vector> #include <algorithm> using namespace std; using ll = long long; int main() { ll n; cin >> n; vector<ll> v; for (ll i = 1; i * i <= n; i++) { if (n % i == 0) { cout << i << "\n"; if (i * i != n)v.push_back(n / i); } } reverse(v.begin(), v.end()); for (auto &x:v)cout << x << "\n"; cout << flush; return 0; }
#include<bits/stdc++.h> #define int long long using namespace std; signed main() { int n; cin>>n; for(int i=1;i<=1000000;++i) { int k=log10(i); int tmp=pow(10,k+1); //cout<<i*tmp+i<<'\n'; if(i*tmp+i>n) { cout<<i-1<<'\n'; break; } } return 0; }
#include<bits/stdc++.h> using namespace std; int main(void){ long long n; cin >> n; long long m = 1; long long k = 10; long long ans = 0; for(int i=1;i<1000000;i++){ if(k <= i) k*=10; if(i*k+i <= n){ ans++; } if(i*k+i > n) break; } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define REP(i, s, e) for (int i = (int)(s); i < (int)(e); i++) #define _rep(i, n) for (int i = (int)(n - 1); i >= 0; i--) #define _REP(i, e, s) for (int i = (int)(e - 1); i >= (int)(s); i--) #define yes cout << "yes" << endl; #define Yes cout << "Yes" << endl; #define YES cout << "YES" << endl; #define no cout << "no" << endl; #define No cout << "No" << endl; #define NO cout << "NO" << endl; #define AC cout << "AC" << endl; #define WA cout << "WA" << endl; #define out(s) cout << s << endl; #define ll long long #define ull unsigned long long const unsigned int BIT_FLAG_0 = (1 << 0); // 0000 0000 0000 0001 const unsigned int BIT_FLAG_1 = (1 << 1); // 0000 0000 0000 0010 const unsigned int BIT_FLAG_2 = (1 << 2); // 0000 0000 0000 0100 const unsigned int BIT_FLAG_3 = (1 << 3); // 0000 0000 0000 1000 const unsigned int BIT_FLAG_4 = (1 << 4); // 0000 0000 0001 0000 const unsigned int BIT_FLAG_5 = (1 << 5); // 0000 0000 0010 0000 const unsigned int BIT_FLAG_6 = (1 << 6); // 0000 0000 0100 0000 const unsigned int BIT_FLAG_7 = (1 << 7); // 0000 0000 1000 0000 const double PI = 3.14159265358979323846; const int dy[4] = {0, 1, 0, -1}; const int dx[4] = {1, 0, -1, 0}; #define H_MAX 500 #define W_MAX 500 #define INF 1e9 + 7 const long long MOD = 998244353; long powInt(long x, int n) { long ret = 1; while (n > 0) { if (n & 1) ret = ret * x; x = x * x; n >>= 1; } return ret; } // mod. m での a の逆元 a^{-1} を計算する long modinv(long a, long m) { long b = m, u = 1, v = 0; while (b) { long t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } int main() { int x; cin >> x; if(x>=0){ out(x); }else { out(0); } }
#include <stdio.h> int main(void) { int in; scanf("%d", &in); printf("%d", (in > 0) ? in : 0); }
#include <bits/stdc++.h> using namespace std; using uint = unsigned int; using ll = long long; using ld = long double; using ull = unsigned long long; using pii = pair<int, int>; using pll = pair<ll, ll>; #define dbg(...) cerr << #__VA_ARGS__ << " ->", debug_out(__VA_ARGS__) #define dbg_p(x) cerr<<#x": "<<(x).first<<' '<<(x).second<<endl #define dbg_v(x, n) {cerr<<#x"[]: ";for(long long _=0;_<n;++_)cerr<<(x)[_]<<' ';cerr<<endl;} #define all(v) v.begin(), v.end() #define fi first #define se second void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << H; debug_out(T...);} template<typename T1, typename T2> ostream& operator <<(ostream &out, const pair<T1, T2> &item) { out << '(' << item.first << ", " << item.second << ')'; return out; } template <typename T> ostream& operator <<(ostream &out, const vector<T>& v) { for(const auto &item : v) out << item << ' '; return out; } int main() { ios_base::sync_with_stdio(false); int n; string t; string p = "110"; ll len = 300000LL * 100000LL; cin >> n >> t; bool ok[3] = { true, true, true }; for(int i = 0; i < n; ++i) { if(t[i] != p[i % 3]) ok[0] = false; if(t[i] != p[(i + 1) % 3]) ok[1] = false; if(t[i] != p[(i + 2) % 3]) ok[2] = false; } ll ans = 0; if(ok[0]) ans += (len - n) / 3 + 1; if(ok[1]) ans += (len - n - 1) / 3 + 1; if(ok[2]) ans += (len - n - 2) / 3 + 1; cout << ans << '\n'; return 0; }
#include<cstdio> #include<algorithm> #include<map> using namespace std; map<int,int>Map; int n, L, A[101000], w[101000], B[101000]; long long res = 0; int LL[101000], RR[101000]; int PP[101000], QQ[101000]; int main(){ int i; scanf("%d%d",&n,&L); for(i=1;i<=n;i++)scanf("%d",&A[i]); for(i=1;i<=n;i++)scanf("%d",&B[i]); A[n+1]=B[n+1]=L+1; int cnt=0; for(i=0;i<=n+1;i++){ A[i]-=i,B[i]-=i; if(i==0 || A[i]!=A[i-1]){ cnt++; LL[cnt]=i; } Map[A[i]]=cnt; RR[cnt]=i; } for(i=0;i<=n+1;i++){ if(!Map.count(B[i])){ puts("-1"); return 0; } int x = Map[B[i]]; if(i==0||B[i]!=B[i-1])PP[x]=i; QQ[x]=i; } for(i=1;i<=cnt;i++){ if(!QQ[i])continue; if(QQ[i]>RR[i])res += QQ[i]-RR[i]; if(PP[i]<LL[i])res += LL[i]-PP[i]; } printf("%lld\n",res); }
#pragma clang optimize on #include <cstdio> #include <functional> #include <iostream> #include <queue> #include <tuple> #include <vector> using namespace std; using ll = long long; #define shift 30 inline int get_digit() { int x = 0, f = 1; char c = getchar(); while(c > '9' || c < '0') { if(c == '-') f = -1; c = getchar(); } while(c >= '0' && c <= '9') { x = (x * 10) + (c ^ 48); c = getchar(); } return x * f; } int main() { int R = get_digit(), C = get_digit(); int A[250000], B[250000]; int dist[500000], cost, pt, to_hide = R * C; vector<ll> s; s.reserve(2 * R * C); priority_queue<ll, vector<ll>, greater<ll>> queue(s.begin(), s.end()); for(int i = 0; i < R * C; ++i) { if(i % C != C - 1) A[i] = get_digit(); dist[i] = 0; } for(int i = 0; i < (R - 1) * C; ++i) B[i] = get_digit(); dist[0] = -10000000; queue.push((ll)(-10000000) << shift); while(queue.size()) { pt = queue.top() & ((1 << shift) - 1); if(pt == to_hide - 1) break; cost = queue.top() >> shift; queue.pop(); if(pt < to_hide) { if(pt % C != C - 1 & cost + A[pt] < dist[pt + 1]) { dist[pt + 1] = cost + A[pt]; queue.push(((ll)dist[pt + 1] << shift) | (pt + 1)); } if(pt % C != 0 & cost + A[pt - 1] < dist[pt - 1]) { dist[pt - 1] = cost + A[pt - 1]; queue.push(((ll)dist[pt - 1] << shift) | (pt - 1)); } if(pt < to_hide - C & cost + B[pt] < dist[pt + C]) { dist[pt + C] = cost + B[pt]; queue.push(((ll)dist[pt + C] << shift) | (pt + C)); } if(cost + 1 < dist[pt + to_hide]) { dist[pt + to_hide] = cost + 1; queue.push(((ll)dist[pt + to_hide] << shift) | (pt + to_hide)); } } else { if(to_hide < pt - C && cost + 1 < dist[pt - C]) { dist[pt - C] = cost + 1; queue.push(((ll)(cost + 1) << shift) | (pt - C)); } if(cost < dist[pt - to_hide]) { dist[pt - to_hide] = cost; queue.push(((ll)cost << shift) | (pt - to_hide)); } } } printf("%d\n", dist[to_hide - 1] - dist[0]); }
//For higher stack size use g++ -O2 -std=c++11 -Wall -Wl,--stack=268435456 a.cpp -o a.exe in cmd #include <bits/stdc++.h> #include <cstdio> #include <cstring> #include <cmath> #include <cstring> #include <chrono> #include <complex> #define ll long long int #define ld long double #define vi vector<int> #define vll vector<ll> #define vvi vector < vi > #define pii pair<int,int> #define pll pair<long long, long long> #define mod 1000000007 #define inf 1000000000000000001; #define all(c) c.begin(),c.end() #define mp(x,y) make_pair(x,y) #define mem(a,val) memset(a,val,sizeof(a)) #define eb emplace_back #define pb push_back #define f first #define s second using namespace std; int main() { std::ios::sync_with_stdio(false); int T; T=1; // cin.ignore(); must be there when using getline(cin, s) while(T--) { int n,m,i,j; cin>>n>>m; int ar[n+1][m+1],ar2[n+1][m+1],ar3[m+1],pos[m+1]; for(i=1;i<=n;++i) { for(j=1;j<=m-1;++j) { cin>>ar[i][j]; } } for(i=1;i<=n-1;++i) { for(j=1;j<=m;++j) { cin>>ar2[i][j]; } } int ans[n+1][m+1],flag=0; for(i=1;i<=n;++i) { for(j=1;j<=m;++j) { ans[i][j]=1e9; } } ans[n][m]=0; start: for(j=m-1;j>0;--j) { ans[n][j]=min(ans[n][j],ans[n][j+1]+ar[n][j]); } for(i=n-1;i>=1;--i) { for(j=m;j>=1;--j) { ans[i][j]=min(ans[i][j],ans[i+1][j]+ar2[i][j]); } for(j=m-1;j>=1;--j) { ans[i][j]=min(ans[i][j],ans[i][j+1]+ar[i][j]); } for(j=2;j<=m;++j) { ans[i][j]=min(ans[i][j],ans[i][j-1]+ar[i][j-1]); } } ++flag; if(flag<=max(n,m)+10) { for(j=1;j<=m;++j) { ar3[j]=ans[1][j]; pos[j]=1; } for(i=2;i<=n;++i) { for(j=1;j<=m;++j) { ans[i][j]=min(ans[i][j],ar3[j]+1+(i-pos[j])); if(ans[i][j]<=ar3[j]+(i-pos[j])) { ar3[j]=ans[i][j]; pos[j]=i; } } } goto start; } cout<<ans[1][1]<<endl; } return 0; }
#define IOS ios::sync_with_stdio(false); #define rep(i, a, n) for(ll i=a;i<=n;i++) #include <bits/stdc++.h> using namespace std; typedef long long ll; typedef long double lb; #define endl "\n" const int inf = 0x3f3f3f3f; const int mod = 1e9 + 7; const int N = 1e6 + 10; ll n, m, t, k, ans, cnt, sum, flag; ll arr[N], vis[N]; char s[N]; int main() { IOS; cin >> n; cnt = 1, ans = 1; while(n--) { cin >> s; cnt <<= 1; if (s[0] == 'O') ans += cnt; } cout << ans << endl; return 0; }
#pragma GCC target ("avx2") //#pragma GCC optimize "trapv" #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #include <bits/stdc++.h> #define input(a,n) for(ll i1=0;i1<n;i1++)cin>>a[i1] #define ll long long #define pi 2 * acos(0.0) #define usll unordered_set<ll> #define sll set<ll> #define vll vector<ll> #define mll map<ll,ll> #define pll pair<ll,ll> #define umll unordered_map<ll,ll> #define S second #define sz size() #define all(v) v.begin(),v.end() #define Y cout<< "YES"<< "\n" #define N cout<< "NO"<< "\n" #define F first #define mp make_pair #define pb push_back #define pf push_front #define ld long double using namespace std; const ll mod = 1000000007; 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 main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif ll n; cin>>n; string s[n]; for(ll i=0;i<n;i++) { cin>>s[i]; } ll dp[n+1]; if(s[0]=="OR") dp[0]=3; else dp[0]=1; for(ll i=1;i<n;i++) { if(s[i]=="AND") dp[i]=dp[i-1]; else dp[i]=dp[i-1]+(1LL<<(i+1)); } cout<<dp[n-1]; return 0; }
#include<bits/stdc++.h> #include<string> using namespace std; int main() { int i,j,n,k,m,l=0; cin>>n>>k>>m; int ara[n]; for(i=0;i<n-1;i++) { cin>>ara[i]; l+=ara[i]; } if(l/n>=m) { cout<<"0"; return 0; } else { for(i=1;i<=k;i++) { l+=i; if(l/n>=m) { cout<<i<<endl; return 0; } l-=i; } } cout<<"-1"<<endl; return 0; }
# include <iostream> # include <algorithm> # include <vector> # include <string> # include <set> # include <cmath> # include <functional> # include <utility> # include <queue> # include <stack> # define MOD 1000000007 # define INF 2000000000 #define rep(i,rept) for(ll i = 0; i<rept;i++) typedef long long ll; using namespace std; std::vector<bool> IsPrime; int main() { long long ans = 0, counter = 0, maxi = -1, mini = INF, pass = 0; //new ll n, k, m; ll poi[10000]; cin >> n >> k >> m; ll want = m * n; rep(i, n-1) { cin >> poi[i]; counter += poi[i]; } if (want-counter<=k){ cout << max((ll)0,want - counter) << endl;; } else { cout << -1 << endl; } }
#include <bits/stdc++.h> #define SpeeD ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0); #define ll long long #define endl '\n' using namespace std; ll n , t , k , m; bool nud(int n) { int a[100]; int c= 0 ; // counter for octal number array int i = 0; while (n != 0) { // storing remainder in octal array a[i] = n % 8; n = n / 8; i++; } for (int i = 0 ; i < 100; i++) if (a[i] == 7 )c++; return c; } bool num (int x) { int c= 0 ; while (x) { if (x%10 == 7)c++; x/=10; } return c; } int main(){ SpeeD; int n; cin >> n; long long sum = 0 ; // cout << nud(15); for (int i = 1 ; i <=n ; i++) { // cout << i <<" " << num(i) <<" " << nud(i) << endl; sum = sum + ( num(i) | nud(i)); } cout << n- sum; }
#include <stdio.h> #include <iostream> #include <stdlib.h> #include <vector> using namespace std; int X; int main(){ cin >> X; cout << 100-X%100; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; const int maxn = 2e5 + 7; const int inf = 1e9 + 7; int a[807][807],b[807][807]; int n,k; bool check(int m){ for(int i = 1;i <= n;i++){ for(int j = 1;j <= n;j++){ if(a[i][j] > m) b[i][j] = b[i-1][j]-1; else b[i][j] = b[i-1][j]+1; } } for(int i = 1;i <= n+1-k;i++){ int st = i+k-1,ans = 0; for(int j = 1;j < k;j++){ ans = ans + b[st][j] - b[i-1][j]; } for(int j = k;j <= n;j++){ ans += b[st][j] - b[i-1][j]; if(ans >= 0) return 0; ans -= b[st][j+1-k] - b[i-1][j+1-k]; } } return 1; } int main(){ scanf("%d %d",&n,&k); for(int i = 1;i <= n;i++){ for(int j = 1;j <= n;j++){ scanf("%d",&a[i][j]); } } int l = 0,r = inf; while(l < r){ int m = (l + r) / 2; if(check(m)){ l = m + 1; }else r = m; } printf("%d\n",l); return 0; }
#include <bits/stdc++.h> #define ll long long #define map unordered_map #define set unordered_set #define l_l pair<ll, ll> #define P pair<ll, ll> #define vll vector<ll> #define mll map<ll, ll> #define mp make_pair #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 rev(i, n) for (int i = ((int)(n)-1); i >= 0; --i) #define revs(i, n) for (int i = ((int)(n)); i > 0; --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; } using namespace std; const ll MOD = 1000000007LL; const ll INF = (1LL << 60LL); // template <class T> void plus_mod(T &a, const T &b) {a = (a + b) % MOD;} ll N, K; ll grid[999][999]; class Cumu { private: vector<ll> _sum; public: Cumu(vector<ll> &source) { _sum = vector<ll>(source.size() + 1); for (ll i = 1; i < source.size() + 1; i++) { _sum[i] = _sum[i - 1] + source[i - 1]; } } ll sum(ll left, ll right) { // return _sum[right + 1] - _sum[left]; } }; ll count_equal_or_less_than(ll th) { // return 0; ll start_y = 0; ll max_count = 0; // 前計算 vector<Cumu> cumu_list; rep(x, N) { vll zo_list; rep(y, N) { ll v = grid[y][x]; zo_list.emplace_back(v <= th); } cumu_list.emplace_back(Cumu(zo_list)); } // 本計算 ll count = 0; for (;;) { ll end_y = start_y + K - 1; if (end_y >= N) break; // 最初の四角のカウント count = 0; rep(x, K) { ll c = cumu_list[x].sum(start_y, end_y); count += c; } chmax(max_count, count); // 右まで移動 ll start_x = 0; for (;;) { ll end_x = start_x + K - 1; if (end_x == N - 1) break; // 右端 count -= cumu_list[start_x].sum(start_y, end_y); count += cumu_list[end_x + 1].sum(start_y, end_y); chmax(max_count, count); start_x += 1; } // 下に移動 start_y += 1; } return max_count; } int main() { // std::cout << std::fixed << std::setprecision(10); scanf("%lld %lld", &N, &K); rep(y, N) { rep(x, N) { ll v; scanf("%lld", &v); grid[y][x] = v; } } ll nth = (K * K / 2) + 1; ll count_th = (K * K) - nth + 1; // leftが条件を満たしていないケースに注意 ll left = -100; ll right = 2000000000LL; // ■TODO for (;;) { // cout << "left:" << (left) << ",right:" << (right) << endl; if (1 >= right - left) { break; } ll center = (left + right) / 2; ll count = count_equal_or_less_than(center); if (count < count_th) { left = center; } else { right = center; } } // cout << "left:" << (left) << ",right:" << (right) << endl; ll ans = right; cout << (ans) << endl; // // [1, 3, 5, 6] -> 2 // ll searchInsert(vector<ll>& nums, ll target) { // ll left = 0; // ll right = nums.size(); // for (;;) { // if (1 == right - left) { // if (nums[left] < target) { // left = right; // } else { // right = left; // } // break; // } // if (0 >= right - left) { // break; // } // ll center = (left + right) / 2; // ll n = nums[center]; // if (n < target) { // left = center; // } // if (n >= target) { // right = center; // } // } // return left; // } // ll ans = 0; // cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #ifdef __DEBUG__ void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) {cerr << " " << H; debug_out(T...);} #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) #endif using ll = long long int; using ull = unsigned long long int; using ld = long double; using pii = pair<int, int>; using pll = pair<ll, ll>; int dx[]={1, 0, -1, 0, 1,-1, 1,-1}; int dy[]={0, 1, 0, -1, 1, 1,-1,-1}; const int INT_INF = (int)(2e9); const ll LL_INF = (ll)(2e18); inline void fast_io() { ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); }; template<typename T, typename S> inline ostream& operator<<(ostream& os, const pair<T, S> p) { cout << "[" << p.first << ";" << p.second << "]"; return os; } template<typename T, typename S> inline ostream& operator<<(ostream& os, const map<T, S> p) { for (auto el : p) cout << "[" << el.first << ";" << el.second << "]"; return os; } template<typename T> inline ostream& operator<<(ostream& os, const vector<T>& v) { for (auto el : v) cout << el << " "; return os; } template<typename T> inline ostream& operator<<(ostream& os, const deque<T>& v) { for (auto el : v) cout << el << " "; return os; } template<typename T> inline ostream& operator<<(ostream& os, const set<T>& v) { for (auto el : v) cout << el << " "; return os; } template<typename T> inline vector<T> fetch_vec(int sz) { vector<T> ret(sz); for (auto& elem : ret) cin >> elem; return ret; } int N; string s; inline void input(){ fast_io(); cin >> N; cin >> s; } void fox(string &t){ if(t.length() < 3) return; int n = t.length(); if(t[n-1] == 'x' && t[n-2] == 'o' && t[n-3] == 'f'){ t.pop_back(); t.pop_back(); t.pop_back(); } return ; } inline int solve(){ string t = ""; for (int i = 0; i < N; i++) { t.push_back(s[i]); fox(t); } cout << t.length() << endl; return 0; } int main() { input(); solve(); return 0; }
#include<bits/stdc++.h> using namespace std; #define pb push_back #define ff first #define ss second #define ll long long #define rep(n) for(int i=0;i<n;i++) void fastInOut() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt" , "r" , stdin); freopen("output.txt" , "w" , stdout); #endif } void solve() { int a , b; // a = solid , b = fat cin >> a >> b; a = a + b; if (a >= 15 && b >= 8) { cout << 1 ; } else if (a >= 10 && b >= 3) { cout << 2 ; } else if (a >= 3) { cout << 3; } else { cout << 4; } } int main(int argc, char const * argv[]) { fastInOut(); int tc = 1; //cin >> tc; while (tc--) { solve(); cout << endl; } }
#include <iostream> #include <cstdio> #include <string> #include <algorithm> #include <utility> #include <cmath> #include <vector> #include <stack> #include <queue> #include <deque> #include <set> #include <map> #include <tuple> #include <numeric> #include <functional> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<vector<ll>> vvl; typedef pair<ll, ll> P; #define rep(i, n) for(ll i = 0; i < n; i++) #define exrep(i, a, b) for(ll i = a; i <= b; i++) #define out(x) cout << x << endl #define exout(x) printf("%.10f\n", x) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() #define pb push_back #define re0 return 0 const ll mod = 1000000007; const ll INF = 1e16; ll n, k; ll c2(ll x) { if(x < 2) { return 0LL; } return x * (x - 1) / 2; } ll f(ll x) { return c2(x - 1) - 3 * c2(x - n - 1) + 3 * c2(x - 2*n - 1) - c2(x - 3*n - 1); } ll g(ll x) { ll L = max(1LL, x - n); ll R = min(n, x - 1); if(L > R) { return 0LL; } return R - L + 1; } int main() { cin >> n >> k; exrep(s, 3, 3*n) { ll x = f(s); if(k <= x) { exrep(a, 1, n) { x = g(s - a); if(k <= x) { exrep(b, 1, n) { ll c = s - a - b; if(c <= 0 || n < c) { continue; } if(k == 1) { cout << a << " " << b << " " << c << endl; re0; } k--; } } k -= x; } } k -= x; } re0; }
#include<iostream> #include<vector> #include<string.h> #include<algorithm> #include<iomanip> #include<cmath> #include<stack> #include <chrono> #include <random> #include <iterator> #include <map> #include<list> #include<sstream> #include <algorithm> #include <fstream> #include<unordered_map> #include<set> #include<queue> #define int long long #define double long double #define pb push_back #define mp make_pair #define pii pair<int,int> #define pip pair<int,pii> #define vip vector<pii> #define vi vector<int> #define vs vector<string> #define vd vector<double> #define mii map<int, int> #define qu queue<int> #define set set<int> #define multiset multiset<int> #define rep(i, a, b) for(int i=a;i<b;i++) #define rep1(i, b, a) for(int i=b;i>=a;i--) #define viv vector<vi> #define stack stack<char> #define fi first #define se second #define all(v) (v).begin(), (v).end() #define it iterator #define pq priority_queue<int> #define pq1 priority_queue <pii, vector<pii>, greater<pii> > #define mem(x, y) memset(x, (int)y, sizeof(x)) #define ps(x,y) fixed<<setprecision(y)<<x // author :: Anurag Anand. using namespace std; int z= 1e9+7; //int z= 998244353; int gcd(int a, int b){ if(a==0)return b; if(b==0)return a; return gcd(b, a%b); } int power(int a,int b){ int res=1; while(b){ if(b&1) res=(res*a)%z, b--; a=(a*a)%z; b=b>>1; } return res; } vi sv; int fact[1000001]; int ncr(int n, int r){ int p=fact[n]; p*=power(fact[r], z-2); p%=z; p*=power(fact[n-r], z-2); p%=z; return p; } int inv(int x){ return power(x, z-2); } int dsu(int x, int par[]){ if(x==par[x]) return x; return dsu(par[x], par); } // vi seg; // void arrange(int i, int v, int x, int lx, int rx){ // if(rx-lx==1){ // seg[x]=v; // return; // } // int mid=(lx+rx)/2; // if(i<mid) arrange(i, v, 2*x+1, lx, mid); // else arrange(i, v, 2*x+2, mid, rx); // seg[x]= min(seg[2*x+1], seg[2*x+2]); // } // int calc(int l, int r, int x, int lx, int rx){ // if(lx>=r||l>=rx) return 1e9; // if(lx>=l&&rx<=r) return seg[x]; // int mid=(lx+rx)/2; // int k1=calc(l, r, 2*x+1, lx, mid), k2=calc(l, r, 2*x+2, mid, rx); // return min(k1, k2); // } vi pp; int32_t main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); // freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); pp.assign(1000001, 0); for(int i=2;i<1000;i++){ if(!pp[i]){ for(int j=i*i;j<=1000000;j+=i){ pp[j]=1; } } } fact[0]=1; rep(i,1,1000001) fact[i]=i*fact[i-1], fact[i]%=z; for(int i=2;i<=1000000;i++) if(!pp[i]) sv.pb(i); int t; t=1; //cin>>t; while(t--){ int n, q; cin>>n>>q; vip v; int ar[n]; rep(i,0,n) cin>>ar[i]; if(ar[0]>1){ v.pb(mp(ar[0]-1, 1)); } rep(i,1,n){ if(ar[i]-ar[i-1]>1){ v.pb(mp(ar[i]-ar[i-1]-1, ar[i-1]+1)); } } v.pb(mp(1e18+1e10-ar[n-1], ar[n-1]+1)); rep(i,1,v.size()){ v[i].fi+=v[i-1].fi; } while(q--){ int k; cin>>k; int l=0, r=v.size()-1, ans=-1; while(l<=r){ int mid=(l+r)/2; if(v[mid].fi>=k){ ans=mid; r= mid-1; } else l=mid+1; } if(ans!=-1){ if(ans>0) k-=v[ans-1].fi; cout<<v[ans].se+k-1<<"\n"; } } } }
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; 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; } #define rep(i,cc,n) for(int i=cc;i<n;++i) #define lrep(i,cc,n) for(long long i=cc;i<n;++i) #define sqrep(i,cc,n) for(long long i=cc;i*i<=n;++i) #define rrep(i,cc,n) for(int i=cc;i>=n;--i) #define pii pair<int, int> #define pll pair<long long, long long> using ll = long long; const vector<int> dx = {1, 0, -1, 0}; const vector<int> dy = {0, 1, 0, -1}; const vector<int> dx2 = {1, 1, 1, 0, 0, 0, -1, -1, -1}; const vector<int> dy2 = {1, 0, -1, 1, -1, 0, 1, 0, -1}; const double PI = 3.1415926535; const ll inf = 1001001001; const ll e9 = 1000000000; const ll mod = 1000000007; const ll mod2 = 998244353; const ll MAX = 1000000; const int MOD = 1000000007; const ll big = (1ll<<60); ll gcd(ll x, ll y) { return (x % y)? gcd(y, x % y): y; } ll modPow(ll a, ll n, ll p) { if (n == 0) return 1; if (n == 1) return a % p; if (n % 2 == 1) return (a * modPow(a, n - 1, p)) % p; ll t = modPow(a, n / 2, p); return (t * t) % p; } int main(){ int n, m; cin >> n >> m; vector<ll>a(n),b(m); vector<vector<ll>>dp(n+1,vector<ll>(m+1,0)); rep(i, 0, n)cin >> a[i]; rep(i, 0, m)cin >> b[i]; rep(i, 0, n+1)dp[i][0] = i; rep(i, 0, m+1)dp[0][i] = i; rep(i, 1, n+1){ rep(j, 1, m+1){ if(a[i-1]==b[j-1])dp[i][j] = min({dp[i-1][j]+1,dp[i][j-1]+1,dp[i-1][j-1]}); else dp[i][j] = min({dp[i-1][j]+1,dp[i][j-1]+1,dp[i-1][j-1]+1}); } } /* rep(i, 0, n+1){ rep(j, 0, m+1){ cout << dp[i][j] << " "; } cout << endl; } */ cout << dp[n][m] << endl; }
/* � Ashiq Uddin Pranto Department of Computer Science and Engineering BATCH 27 University Of Rajshahi,Bangladesh */ #include<bits/stdc++.h> #define ll long long #define ld long double #define FOR(x,y) for(ll i=x;i<=y;i++) #define pb(x) push_back(x) #define mp make_pair #define pii pair<int,int> #define pll pair<ll,ll> #define vii vector<int> #define vll vector<ll> #define matrix(x) vector<vector<x>> #define vss vector<string> #define PI (2*acos(0.0)) #define sqr(x) ((x)*(x)) #define sf(a) scanf("%d",&a) #define sfl(a) scanf("%lld",&a) #define sff(a,b) scanf("%d %d",&a,&b) #define sffl(a,b) scanf("%lld %lld",&a,&b) #define sfff(a,b,c) scanf("%d %d %d",&a,&b,&c) #define sfffl(a,b,c) scanf("%lld %lld %lld",&a,&b,&c) #define ms(a,b) memset(a, b, sizeof(a)) #define ff first #define ss second #define lcm(a, b) ((a)*((b)/__gcd(a,b))) #define all(a) a.begin(),a.end() #define readfile freopen("input.txt","r",stdin); #define writefile freopen("output.txt","w",stdout); #define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); #define gap " " #define mx 104 #define inf (ll)1e9 #define WHITE 1 #define GRAY 2 #define BLACK 3 #define EMPTY_VALUE -1 #define mod 1000000007 #define MOD(a,b) (a%b + b)%b using namespace std; 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 ll n,m; ll dp[1005][1005]; ll a[1005],b[1005]; ll solve(ll i,ll j) { if(dp[i][j]!=-1) return dp[i][j]; if(i>=n && j>=m) return 0; if(i>=n) return (m-j); if(j>=m) return (n-i); ll ans = inf; if(a[i]==b[j]) { ans = min(ans,solve(i+1,j+1)); } ans=min(ans,1+solve(i+1,j)); ans=min(ans,1+solve(i,j+1)); ans=min(ans,1+solve(i+1,j+1)); return dp[i][j] = ans; } void eff() { memset(dp,-1,sizeof(dp)); sffl(n,m); for(ll i=0;i<n;i++) sfl(a[i]); for(ll i=0;i<m;i++) sfl(b[i]); printf("%lld\n",solve(0,0)); } int main() { // fastio // ll test ; // sfl(test); // for(ll i=0;i<test;i++) // { // printf("Case %lld: ",i+1); eff(); // } // cout<<check(81); return 0; }
// #pragma GCC optimize("Ofast,unroll-loops") // #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native") #include <bits/stdc++.h> #define ll long long int #define vi vector<int> #define vvi vector<vector<int>> #define vll vector<long long> #define vs vector<string> #define vc vector<char> #define vb vector<bool> #define forn(i, s, n) for(ll i=(ll)s; i<(ll)(n); i++) #define all(c) c.begin(),c.end() #define pb push_back #define pll pair<long long int, long long int> #define pii pair<int, int> #define pss pair<string, string> #define ull unsigned long long int #define lld long double #define F first #define S second #define PI 3.141592653589793238 #define prec(n) fixed<<setprecision(n) #define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update> #define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) #define itsval(args...) { string _s = #args; replace(_s.begin(), _s.end(), ',', ' '); stringstream _ss(_s); istream_iterator<string> _it(_ss); itval(_it, args); } using namespace std; // #include <ext/pb_ds/assoc_container.hpp> // #include <ext/pb_ds/tree_policy.hpp> // using namespace __gnu_pbds; void itval(istream_iterator<string> it) {} template<typename T, typename... Args> void itval(istream_iterator<string> it, T a, Args... args) { cerr << *it << " = " << a << endl; itval(++it, args...); } const ll MOD = 1e9 + 7; template <typename T> inline void print(T x) {cout << x << "\n";} template <typename T> inline void printvec(T x) {for (auto a : x)cout << a << ' '; cout << '\n';} // ----------------------------------------------------------------------- struct custom { bool operator()(const pll &p1, const pll &p2)const { return p1.F > p2.F; } }; // Calculate a^b % MOD ------------------------------------------------- ll get_pow(ll a, ll b, ll M = MOD) { ll res = 1; while (b) { if (b & 1) res = (res * a) % M; a = (a * a) % M; b >>= 1; } return res; } // --------------------------------------------------------------------- const ll N = 2e5 + 5, inf = 4e18; ll dp[N][2]; void solve() { ll n; cin >> n; vll mx(n + 1, -inf), mi(n + 1, inf); ll x, c; forn(i, 0, n) { cin >> x >> c; c--; mi[c] = min(mi[c], x); mx[c] = max(mx[c], x); } mx[n] = mi[n] = 0; ll ans = 0, p = 0; for (int j = n - 1; j >= 0; j--) { // dono mi if (mi[j] == inf) { dp[j][0] = dp[j + 1][0]; dp[j][1] = dp[j + 1][1]; mx[j] = mx[j + 1]; mi[j] = mi[j + 1]; continue; } dp[j][0] = abs(mi[j + 1] - mx[j]) + mx[j] - mi[j] + dp[j + 1][0]; dp[j][0] = min(dp[j][0], abs(mx[j + 1] - mx[j]) + mx[j] - mi[j] + dp[j + 1][1]); dp[j][1] = abs(mx[j + 1] - mi[j]) + mx[j] - mi[j] + dp[j + 1][1]; dp[j][1] = min(dp[j][1], abs(mi[j + 1] - mi[j]) + mx[j] - mi[j] + dp[j + 1][0]); } ans = min(dp[0][0] + abs(mi[0]), dp[0][1] + abs(mx[0])); cout << ans; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int test = 1; clock_t z = clock(); // cin >> test; forn(tes, 0, test) { solve(); } debug("Total Time:%.4f\n", (double)(clock() - z) / CLOCKS_PER_SEC); return 0; }
#include <iostream> #include <iomanip> #include <cstdio> #include <fstream> #include <cmath> #include <algorithm> #include <string> #include <cstring> #include <vector> #include <set> #include <unordered_set> #include <map> #include <unordered_map> #include <stack> #include <queue> #include <deque> #include <bitset> #include <chrono> #include <functional> #define _crt_secure_no_warnings #define JH ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); #define pb push_back #define mp make_pair #define INF 0x3F3F3F3F #define MAXLL 1000000000000000000LL #define MOD ll(1e9 + 7) #define LOGMAX 21 #define ALPHABET 2 #define loop(i, n) for (int i = 1; i <= (n); i++) #define loop0(i, n) for (int i = 0; i < (n); i++) #define sz(x) (int)x.size() #define all(v) v.begin(), v.end() #define all1(v) v.begin() + 1, v.end() #define F first #define S second #define EPS 1e-9 using namespace std; typedef long long ll; typedef unsigned long long ull; typedef long double lld; typedef pair<ll, ll> llll; typedef pair<int, int> ii; typedef unordered_map<int, int> umii; typedef unordered_map<ll, ll> umll; typedef unordered_set<int> usi; typedef unordered_multiset<int> usmi; //main exec int main(){ JH lld a, b; cin >> a >> b; cout << fixed << setprecision(9) << (b / 100) * a << endl; }
#include<bits/stdc++.h> using namespace std; #define light ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define ll long long #define pb push_back #define cases() ll t;cin>>t;while(t--) #define all(c) c.begin(),c.end() #define PI 3.14159265358979323846 const ll MAX = 2e5+5; const ll INF = 1e18; const ll MOD = 1e9+7; int check(string a,int n) { int i,j; for(i=0;i<n;i++) { if(a[i]!=a[n-1-i]) return 0; } return 1; } int main() { int n,i,j,k,l,p,q,x,y; cin >> l; string a = to_string(l);n = a.size(); if(check(a,n)==1) { cout << "Yes"; return 0; } string b;p = 0; for(i=n-1;i>=0;i--) { if(p==0) { if(a[i]!='0') { p++; b+=a[i]; } } else b+=a[i]; } reverse(b.begin(),b.end()); if(check(b,b.size())==1) { cout << "Yes"; return 0; } else cout << "No"; }
#include <iostream> #include <bits/stdc++.h> using namespace std; #define ll long long int #define ld long double #define MAX 100010 #define MOD 1000000007 #define INF 1e15 #define fast ios::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define pi 3.14159265358979323846 #define endl "\n" #define coutflg if(flg){cout << "Yes\n";}else{cout << "No\n";} #define coutyes cout << "Yes\n"; #define coutno cout << "No\n"; #define flush fflush(stdout); #define fixedprec cout << fixed << setprecision(18); void solve(){ string a; cin >> a; int flg = 1; ll n = a.size(); ll l = 0; ll r = a.size()-1; while(l<n && a[l]=='0'){ l++; } while(r>=0 && a[r]=='0'){ r--; } while(l<=r){ if(a[l]!=a[r]){ flg = 0; break; } else{ l++; r--; } } coutflg; } int main(){ fast ll t,q; q = 1; // cin >> q; for(t=1;t<=q;t++){ // cout << "Case #" << t << ": "; solve(); } }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define mp make_pair #define fs first #define sc second #define sz(a) ((int) (a).size()) #define all(x) (x).begin(), (x).end() const long double eps = 1e-9; const int inf = (1 << 30) - 1; const long long inf64 = ((long long)1 << 62) - 1; const long double pi = acos(-1); template <class T> T sqr (T x) {return x * x;} template <class T> T abs (T x) {return x < 0 ? -x : x;} template <class T> vector<T> ReadVector(int n) { vector<T> a(n); for (int i = 0; i < n; ++i) { cin >> a[i]; } return a; } template <class T> void WriteVector(const vector<T>& a) { for (int i = 0; i < sz(a); ++i) { cout << a[i] << (i + 1 < sz(a) ? ' ' : '\n'); } } void DFS(const vector<vector<int>>& a, int v, vector<int>& used) { used[v] = true; for (int i = 0; i < sz(a[v]); ++i) { if (!used[i] && a[v][i]) { DFS(a, i, used); } } } void Solve() { int n; cin >> n; vector<vector<int>> a(n, vector<int>(n)); for (int i = 0; i < n; ++i) { string s; cin >> s; for (int j = 0; j < n; ++j) { a[i][j] = (s[j] == '1'); } } vector<vector<int>> a_rev(n, vector<int>(n)); for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { a_rev[i][j] = a[j][i]; } } double res = 0; for (int i = 0; i < n; ++i) { vector<int> used(n); DFS(a_rev, i, used); int cnt = 0; for (int j = 0; j < n; ++j) { cnt += used[j]; } res += 1.0 / cnt; } cout.precision(20); cout << res << "\n"; } int main () { ios_base::sync_with_stdio(0); std::cin.tie(nullptr); // clock_t start_clock = clock(); // freopen("_input.txt", "rt", stdin); // freopen("_output.txt", "wt", stdout); int tc = 1; // cin >> tc; for (int ti = 0; ti < tc; ++ti) { Solve(); } // double total_seconds = (double) (clock() - start_clock) / CLOCKS_PER_SEC; // cerr << "Working time: " << total_seconds << "s." << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i,n) for(ll i=0;i<n;i++) #define repl(i,l,r) for(ll i=(l);i<(r);i++) #define per(i,n) for(ll i=n-1;i>=0;i--) #define perl(i,r,l) for(ll i=r-1;i>=l;i--) #define fi first #define se second #define pb push_back #define mkp make_pair #define ins insert #define pqueue(x) priority_queue<x,vector<x>,greater<x>> #define all(x) (x).begin(),(x).end() #define CST(x) cout<<fixed<<setprecision(x) #define vtpl(x,y,z) vector<tuple<x,y,z>> #define rev(x) reverse(x); #define lin(x) ll x; cin>>x; #define stin(x) string x; cin>>x; #define yn(x) if(x) { cout<<"Yes"<<endl; } else { cout<<"No"<<endl; } #define YN(x) if(x) { cout<<"YES"<<endl; } else { cout<<"NO"<<endl; } #define co(x) cout<<x<<endl; using ll=long long; using ld=long double; using vl=vector<ll>; using vvl=vector<vector<ll>>; using pl=pair<ll,ll>; using vpl=vector<pl>; using vvpl=vector<vpl>; const ll mod=1000000007; const ll MOD9=998244353; const int inf=1e9+10; const ll INF=4e18; const ll dy[8]={1,0,-1,0,1,1,-1,-1}; const ll dx[8]={0,-1,0,1,1,-1,1,-1}; template <typename T> inline bool chmax(T &a, T b) { return ((a < b) ? (a = b, true) : (false)); } template <typename T> inline bool chmin(T &a, T b) { return ((a > b) ? (a = b, true) : (false)); } ll powmod(ll n, ll k, ll m) { ll r=1; for(; k>0; k >>=1) { if(k&1) r=(r*n)%m; n=(n*n)%m; } return r; } ll fact(ll n) { ll a=1; rep(i,n) { a=a*(n-i); } return a; } ll pow(ll a, ll b) { ll x=1; rep(i,b) { x=x*a; } return x; } int main() { lin(N); lin(M); ll data[N][N]; rep(i,N) rep(j,N) data[i][j]=inf; rep(i,M) { lin(a); lin(b); lin(c); chmin(data[a-1][b-1],c); } //Warshal-floyd neu rep(k,N) { rep(i,N) { if(data[i][k]==inf) { continue; } rep(j,N) {//rep1 if(data[k][j]==inf) { continue; } else { chmin(data[i][j],data[i][k]+data[k][j]); } }//rep1 } } rep(i,N) { if(data[i][i]==inf) { co(-1); } else { co(data[i][i]); } } }
#include <bits/stdc++.h> using namespace std; int main() { float x=0,y=0,z=0; int a=0; cin >> x >> y >> z; while(y/x > a/z){ a++; } cout << a -1; }
#include <bits/stdc++.h> #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 SORT(v, n) sort(v, v + n) using namespace std; using ll = long long; using vll = vector<ll>; using vvll = vector<vector<ll>>; using P = pair<ll, ll>; using Graph = vector<vector<int>>; using Edge = pair<int, ll>; const int MAX = 100000; const ll INF = 1LL << 60; int main() { // cin高速化 cin.tie(0); ios::sync_with_stdio(false); int x, y, z; cin >> x >> y >> z; cout << (z * y - 1) / x << "\n"; return 0; }
#include <bits/stdc++.h> #define ll long long using namespace std; template <typename T> void read(T &x) { x = 0; char c = getchar(); int f = 0; for (; !isdigit(c); c = getchar()) f |= c == '-'; for (; isdigit(c); c = getchar()) x = x * 10 + (c ^ '0'); if (f) x = -x; } template <typename T> void write(T x, char ed = '\n') { if (x < 0) putchar('-'), x = -x; static short st[30], tp; do st[++tp] = x % 10, x /= 10; while (x); while (tp) putchar(st[tp--] | '0'); putchar(ed); } const int N = 1005000; int ans, n; char s[N]; inline int C(int n, int m) { if (m > n) return 0; if (n >= 3) return C(n / 3, m / 3) * C(n % 3, m % 3) % 3; if (n == 2) return 1 + (m == 1); return 1; } int main() { read(n), scanf ("%s", s + 1); for (int i = 1;i <= n; ++i) { int c = (s[i] > 'B') + (s[i] > 'R'); ans += C(n - 1, i - 1) * c; } if (~n & 1) ans *= -1; ans = (ans % 3 + 3) % 3; if (ans == 0) putchar('B'); else if (ans == 1) putchar('R'); else putchar('W'); return 0; }
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; using ll=long long; using ld=long double; using pll=pair<ll, ll>; //using mint = modint1000000007; #define rep(i,n) for (ll i=0; i<n; ++i) #define all(c) begin(c),end(c) #define PI acos(-1) #define oo 2e18 template<typename T1, typename T2> bool chmax(T1 &a,T2 b){if(a<b){a=b;return true;}else return false;} template<typename T1, typename T2> bool chmin(T1 &a,T2 b){if(a>b){a=b;return true;}else return false;} //priority_queue<ll, vector<ll>, greater<ll>> Q; /* */ char add_wbr(char a, char b){ if (a==b) return(a); if (a=='W' && b=='R') return('B'); if (a=='W' && b=='B') return('R'); if (a=='B' && b=='W') return('R'); if (a=='B' && b=='R') return('W'); if (a=='R' && b=='W') return('B'); if (a=='R' && b=='B') return('W'); return (0); } int main(){ cin.tie(0); ios::sync_with_stdio(0); cout << fixed << setprecision(10); ll N; string S; cin >> N >> S; ll sz=S.size(); while (sz>1){ // 4->1, 5->4->1 while(sz%3!=1){ string T; for(ll j=0; j<sz-1; j++) T+=add_wbr(S[j], S[j+1]); S=T; sz=S.size(); } string T; for(ll j=0; j+3<sz; j+=3) T+=add_wbr(S[j], S[j+3]); if (T[0]) S=T; sz=S.size(); } cout << S[0] << endl; }
#include <bits/stdc++.h> using namespace std; int main() { string str; cin >> str; int i = 0; int txtsize = str.size(); string after = ""; for (int j = txtsize; j >= 0; j--) { string ch = str.substr(j, 1); if (ch == "6") { ch = "9"; } else if (ch == "9") { ch = "6"; } after += ch; i++; } std::cout << after << std::endl; }
#include <bits/stdc++.h> using namespace std; int main() { string s; cin >> s; reverse(s.begin(), s.end()); for (int i = 0; i < s.size(); i++) { if (s[i] == '6') { cout << '9'; } else if (s[i] == '9') { cout << '6'; } else { cout << s[i]; } } cout << endl; }