Submission #675312

#	Time	Username	Problem	Language	Result	Execution time	Memory
675312		hotboy2703	Football (info1cup20_football)	C++14	100 / 100	41 ms	600 KiB

football

#include<bits/stdc++.h>
using namespace std;
int a[100100];
int b[100100];
int main(){
    ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr);
    int t;
    cin>>t;
    while (t--){
        int n,k;
        cin>>n>>k;
        for (int i = 1;i <= n;i++)cin>>a[i];
        while (1){
            long long cnt[2] = {};
            for (int i = 1;i <= n;i ++)cnt[a[i] & 1]+=a[i];
            if (k == 1){
                cout<<(cnt[1]&1);
                break;
            }
            else{
                if (cnt[1] & 1){
                    cout<<1;
                    break;
                }
                else{
                        k /= 2;
                        for (int i =1;i <=n;i++)a[i] /= 2;
                }
            }
        }
    }
    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