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;
typedef long long ll;
int main()
{
    ll t , n ,k;
    cin >> t;
    while(t--)
    {
        cin >> n >> k ;
        ll x=0 , y;
        for(int i = 0 ; i < n ; i++)
        {
            cin >> y;
            x+=y;
        }
        cout << x%2 ;
    }
    return 0;
}
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