#include "game.h"
#include<iostream>
#include<vector>
using namespace std;
const int N = 2000;
int frb[N][N];
int n;
void initialize(int n_) {
n = n_;
for (int i = 0 ; i < n ; ++ i) {
for (int j = 0 ; j < n ; ++ j) {
frb[i][j] = 0;
}
}
}
int used[N];
vector<int>g[N];
void dfs(int v) {
used[v] = 1;
for (int to : g[v]) if (!used[to]) {
dfs(to);
}
}
int hasEdge(int u, int v) {
for (int i = 0 ; i < n ; ++ i) {
g[i].clear();
used[i] = 0;
}
frb[u][v] = 1;
frb[v][u] = 1;
for (int i = 0 ; i < n ; ++ i) {
for (int j = 0 ; j < i ; ++ j) {
if (!frb[i][j]) {
g[i].emplace_back(j);
g[j].emplace_back(i);
}
}
}
dfs(v);
if (used[u]) {
return 0;
} else {
frb[u][v] = frb[v][u] = 0;
return 1;
}
}
