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 <bits/stdc++.h>
using namespace std;
int a[1501];
int n;
void initialize(int n)
{
::n = n;
for(int i = 0; i < n; i++){
a[i] = n;
}
}
int hasEdge(int u, int v)
{
if(a[u] == 1 || a[v] == 1){
a[u] = 0;
a[v] = 0;
return 1;
}
a[u]--;
a[v]--;
return 0;
}
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