Enable add to empty table

server.py

@@ -178,7 +178,7 @@ class LeaderboardServer:
                             num_of_competitors += 1
                             if tournament_results[submission_id][competitor_id][task]:
                                 num_of_wins += 1
-                        task_score = num_of_wins / num_of_competitors * 100 # TODO: if num_of_competitors > 0 else ???
+                        task_score = num_of_wins / num_of_competitors * 100 if num_of_competitors > 0 else 100
                         win_score.setdefault(task_category, []).append(task_score)
                         
                         if category == task_category: