#include <bits/stdc++.h>
#include "game.h"
using namespace std;
//#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
int N;
int par[1505];
int stuf[1505][1505], sz[1505];
int getr(int x){
return (par[x] == x ? x : par[x] = getr(par[x]));
}
void merge(int a, int b){
a = getr(a), b = getr(b);
if(a == b)return;
par[b] = a;
sz[a] += sz[b];
for(int i=0;i<N;i++)stuf[a][i] += stuf[b][i];
}
void initialize(int n){
N = n;
for(int i=0;i<n;i++)par[i] = i, sz[i] = 1;
}
int cnt = 0;
int hasEdge(int u, int v){
int pu = getr(u), pv = getr(v);
assert(pu != pv);
stuf[pu][pv]++;
stuf[pv][pu]++;
if(sz[pu] * (sz[pu] - 1) / 2 + sz[pv] * (sz[pv] - 1) / 2 + stuf[pu][pv] == (sz[pu] + sz[pv]) * (sz[pu] + sz[pv] - 1) / 2){
merge(pu, pv);
return 1;
}
else return 0;
}
