#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include <bits/stdc++.h>
#include "game.h"
using namespace std;
#define OYY LLONG_MAX
#define mod 998244353
#define faster ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define FOR for(int i=1;i<=n;i++)
#define mid (start+end)/2
#define lim 200005
#define fi first
#define se second
int dizi[lim];
void initialize(int n) {
for(int i=0;i<n;i++){
dizi[i]=2;
}
}
int hasEdge(int u, int v) {
if(dizi[u]==2 && dizi[v]==2){
dizi[u]--;
dizi[v]--;
return 1;
}
else if((dizi[u]==2 || dizi[v]==2) && (dizi[u]!=0 && dizi[v]!=0)){
dizi[u]--;
dizi[v]--;
return 1;
}
return 0;
}
