제출 #660533

#제출 시각아이디문제언어결과실행 시간메모리
660533LucaLucaMFootball (info1cup20_football)C++17
26 / 100
30 ms412 KiB
#include <bits/stdc++.h>

using namespace std;

int a[100001];

void solve()
{
    int n, k;
    cin >> n >> k;

    for (int i=1; i<=n; i++)
        cin >> a[i];

    if (k == 1)
    {
        int sum = 0;
        for (int i=1; i<=n; i++)
            sum += a[i], sum %= 2;
        cout << sum;
    }
    else
    {
        int sum = 0;
        while (sum % 2 == 0 && k > 1)
        {
            for (int i=1; i<=n; i++)
                sum += a[i] % 2, a[i] /= 2, sum %= 2;
            k /= 2;
        }

        cout << sum % 2;
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    int t;
    cin >> t;

    while (t--)
        {
            solve();
        }

    return 0;
}
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