Submission #389124

#	Time	Username	Problem	Language	Result	Execution time	Memory
389124		Alma	Football (info1cup20_football)	C++14	100 / 100	42 ms	1372 KiB

football

#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
 
int main() {
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    ll t, n, k, total;
    vector<ll> v;
    cin >> t;
    while (t--) {
        cin >> n >> k;
        total = 0;
        v.assign(n, 0);
        for (int i = 0; i < n; i++) {
            cin >> v[i];
            total += v[i];
        }
        if (total % 2 == 1) {
            cout << 1;
            continue;
        }
        while (k > 1 && total % 2 == 0) {
            for (int i = 0; i < n; i++) {
                total -= v[i];
                v[i] /= 2;
                total += v[i];
            }
            k /= 2;
        }
        if (k > 1)
            cout << 1;
        else if (total % 2 == 1)
            cout << 1;
        else
            cout << 0;
    }
    cout << '\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