#include <bits/stdc++.h>
#include "game.h"
using namespace std;
typedef long long ll;
#define OPT ios_base::sync_with_stdio(0); \
cin.tie(0); \
cout.tie(0)
#define pii pair<int,int>
#define pll pair<ll,ll>
#define endl "\n"
#define all(v) v.begin(), v.end()
#define mpr make_pair
#define pb push_back
#define ts to_string
#define fi first
#define se second
#define inf 0x3F3F3F3F
#define bpc __builtin_popcount
#define print(v) for(int i = 0; i < v.size(); i++) cout << v[i] << " "; cout<<endl;
int n;
vector<int> cnt;
void initialize(int x)
{
n = x;
cnt.assign(n+1, n - 1);
}
int hasEdge(int u, int v)
{
if (cnt[u] == 1 || cnt[v] == 1)
{
cnt[u] = cnt[v] = 0;
return 1;
}
cnt[u]--;
cnt[v]--;
return 0;
}
