Submission #693887

#	Time	Username	Problem	Language	Result	Execution time	Memory
693887		T0p_	Game (IOI14_game)	C++14	100 / 100	366 ms	25060 KiB

game

#include "game.h"
#include <bits/stdc++.h>
using namespace std;
 
int n;
int pa[1500], sz[1500], cnt[1500][1500];
 
int fp(int u) { return pa[u] = (u == pa[u]) ? u : fp(pa[u]); }
 
void initialize(int N)
{
    n = N;
	for (int i=0 ; i<n ; i++)
    {
        pa[i] = i;
        sz[i] = 1;
    }
}
 
int hasEdge(int u, int v)
{
  	
    u = fp(u);
    v = fp(v);
  
  	cnt[u][v] += 1;
  	cnt[v][u] += 1;
  
    if (u == v) return 0;
 
    if (u > v) swap(u, v);
    
    if (cnt[u][v] != sz[u] * sz[v]) return 0;
 
    for (int i=0 ; i<n ; i++)
    {
        cnt[u][i] += cnt[v][i];
        cnt[i][u] += cnt[i][v];
    }
 
    pa[v] = u;
    sz[u] += sz[v];
 
    return 1;
}

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 58 / 58