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;
#define ll long long
#define forn(i,n) for(int i=0;i<n;i++)
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(),v.rend()
#define pb push_back
#define sz(a) (int)a.size()
int N;
void initialize(int n){N = n;}
int hasEdge(int u, int v){
if(u > v)swap(u, v);
if(v == N && N % 2 == 1)return 0;
if(u + 1 == v)return 1;
else return 0;
}
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