Submission #354987

#	Time	Username	Problem	Language	Result	Execution time	Memory
354987		valerikk	Football (info1cup20_football)	C++11	100 / 100	37 ms	2412 KiB

football

#include <bits/stdc++.h>

using namespace std;

const int K = 31;
const int N = 1e5 + 7;

int n, k;
int sz[N];

int game() {
    cin >> n >> k;
    for (int i = 0; i < n; ++i)
        cin >> sz[i];
    int res = 0;
    while (true) {
        int xr = 0;
        for (int i = 0; i < n; ++i)
            xr ^= sz[i];
        if (xr & 1) {
            res = 1;
            break;
        }
        if (k == 1)
            break;
        k >>= 1;
        for (int i = 0; i < n; ++i)
            sz[i] >>= 1;
    }
    return res;
}

int main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif
    ios::sync_with_stdio(false);
    cin.tie(0);
    int t;
    cin >> t;
    string ans = "";
    while (t--)
        ans.push_back('0' + game());
    cout << ans << "\n";
    return 0;
}

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