Submission #660533

#	Time	Username	Problem	Language	Result	Execution time	Memory
660533		LucaLucaM	Football (info1cup20_football)	C++17	26 / 100	30 ms	412 KiB

football

#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;
}

• Subtask 1: 26 / 26
• Subtask 2: 0 / 8
• Subtask 3: 0 / 11
• Subtask 4: 0 / 8
• Subtask 5: 0 / 16
• Subtask 6: 0 / 16
• Subtask 7: 0 / 7
• Subtask 8: 0 / 8