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 mxn=1505;
int cnt[mxn];
void initialize(int N){
memset(cnt,0,sizeof(cnt));
}
int hasEdge(int a, int b){
if(a>b) swap(a,b);
cnt[b]++;
if(cnt[b]==b) return 1;
return 0;
}
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