Submission #784309

#	Time	Username	Problem	Language	Result	Execution time	Memory
784309		Trunkty	Football (info1cup20_football)	C++14	100 / 100	33 ms	2064 KiB

football

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

int t;
int arr[100005];

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> t;
    for(int e=1;e<=t;e++){
        int n,k;
        cin >> n >> k;
        for(int i=1;i<=n;i++){
            cin >> arr[i];
        }
        bool yes = false;
        for(int j=0;j<=60;j++){
            if((1LL<<j)>k){
                break;
            }
            int tot=0;
            for(int i=1;i<=n;i++){
                tot += arr[i]/(1LL<<j);
            }
            if(tot%2LL){
                yes = true;
                break;
            }
        }
        if(yes){
            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