This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "game.h"
#include <bits/stdc++.h>
#define X first
#define Y second
#define pb push_back
#define pii pair<int, int>
typedef long long ll;
using namespace std;
const int MOD = 1e9 + 7;
const ll INF = 1e18;
const int OFF = (1 << 20);
int br[1502];
int zbr[1502];
int mora[1502][1502];
void dfs(int x) {
if (br[x] != 1) return;
br[x] = 0;
int slj = zbr[x];
zbr[x] = 0;
br[slj]--;
zbr[slj] -= x;
mora[min(x, slj)][max(x, slj)] = 1;
dfs(slj);
}
void initialize(int n) {
for (int i = 0; i < n; i++) {
br[i] = n-1;
zbr[i] = n*(n-1)/2-i;
}
}
int hasEdge(int x, int y) {
if (x > y) swap(x, y);
if (mora[x][y]) return 1;
br[x]--;
zbr[x] -= y;
br[y]--;
zbr[y] -= x;
if (br[x] == 1) dfs(x);
if (br[y] == 1) dfs(y);
return 0;
}
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