#include <bits/stdc++.h>
#include "game.h"
using namespace std;
#define endl "\n"
#define pb push_back
// #define int long long
#define fi first
#define se second
const int N = 1505, Mod = 1e9 + 7, LG = 20;
int n , P[N];
vector<int> L[N];
map<pair<int,int> , bool> M;
int find(int a){
if (P[a] == a) return a;
return P[a] = find(P[a]);
}
void join(int a , int b){
int pa = find(a);
int pr = find(b);
if (L[pa].size() < L[pr].size()){
P[pa] = pr;
int sz = L[pa].size();
while(sz--){
L[pr].pb(L[pa].back());
L[pa].pop_back();
}
}else{
P[pr] = pa;
int sz = L[pr].size();
while(sz--){
L[pa].pb(L[pr].back());
L[pr].pop_back();
}
}
}
void initialize(int m) {
n = m;
}
int hasEdge(int u, int v) {
M[{u,v}] = 1;
for (int i : L[find(u)]){
for (int j : L[find(v)]){
if (!M[{i,j}]) return 0;
}
}
join(u,v);
return 1;
}
