#include "game.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for (int i = 0; i < (n); i++)
#define st first
#define nd second
#define pb push_back
#define pii pair<int, int>
#define all(a) a.begin(), a.end()
const int MAXN = 1507;
set<int> tr[MAXN];
int n;
void initialize(int N) {
n = N;
for (int i = 0; i < n; i++) {
for (int j = i + 1; j < n; j++) {
tr[i].insert(j);
tr[j].insert(i);
}
}
}
int cnt = 0;
void dfs(int v, int last) {
cnt++;
for (auto syn: tr[v]) {
if (syn == last) continue;
dfs(syn, v);
}
}
int hasEdge(int u, int v) {
tr[u].erase(v);
tr[v].erase(u);
cnt = 0;
dfs(0, 0);
if (cnt != n) {
tr[u].insert(v);
tr[v].insert(u);
return 1;
}
return 0;
}
