Submission #683544

#	Time	Username	Problem	Language	Result	Execution time	Memory
683544		JooDdae	Football (info1cup20_football)	C++17	100 / 100	35 ms	2032 KiB

football

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int tc, n, k, a[100100];

int main(){
    cin.tie(0)->sync_with_stdio(0);
    cin >> tc;
    while(tc--) {
        cin >> n >> k;
        for(int i=1;i<=n;i++) cin >> a[i];

        ll s = 0;
        while(1) {
            s = 0;
            for(int i=1;i<=n;i++) s += a[i];
            if(k == 1 || s % 2) break;
            for(int i=1;i<=n;i++) a[i] = a[i]/2;
            k /= 2;
        }

        cout << s%2;
    }
}

• 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