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;
const int N = 1500;
int cnt[N], ct[N], nn;
void initialize(int n){
nn = n;
for(int i = 0; i <= n; ++i){
cnt[i] = 0;
ct[i] = 0;
}
}
int hasEdge(int u, int v){
cnt[u]++;
cnt[v]++;
if(cnt[u] == (nn - ct[u] - 1)){
cnt[u] = 0;
cnt[v] = 0;
ct[u]++, ct[v]++;
return 1;
}
else if(cnt[v] == (nn - ct[v] - 1)){
cnt[v] = 0;
cnt[u] = 0;
ct[u]++, ct[v]++;
return 1;
}
return 0;
}
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