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 <stdio.h>
#include <vector>
#include <queue>
#include <algorithm>
#include <iostream>
#include <string>
#include <bitset>
#include <map>
#include <set>
#include <tuple>
#include <string.h>
#include <math.h>
#include <random>
#include <functional>
#include <assert.h>
#include <math.h>
using namespace std;
using i64 = long long int;
using ii = pair<int, int>;
using ii64 = pair<i64, i64>;
vector<int> counts;
int total;
void initialize(int n)
{
counts.resize(n + 1);
total = n - 1;
}
int hasEdge(int u, int v)
{
int res = 0;
if (counts[u] == total - 1 || counts[v] == total - 1)
res = 1;
counts[u]++;
counts[v]++;
return res;
}
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