#include <bits/stdc++.h>
using namespace std;
int main(){
int t;
cin >> t;
while(t--){
int n, k;
cin >> n >> k;
int a[n + 1];
for(int i = 1; i <= n; i++)
cin >> a[i];
if(a[1] % 2 == 1){
cout << 1;
continue;
}
else {
if(k == 1){
cout << a[1] % 2;
continue;
}
else {
cout << (a[1] / 2) % 2;
continue;
}
}
}
}
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