Submission #1145244

#	Time	Username	Problem	Language	Result	Execution time	Memory
1145244		Kerim	Football (info1cup20_football)	C++20	100 / 100	24 ms	328 KiB

football

#include "bits/stdc++.h"

using namespace std;

int main(){
    // freopen("file.in", "r", stdin);
    int t;
    scanf("%d", &t);
    while (t--){
        int n, k, y = 0;
        scanf("%d%d", &n, &k);
        while (n--){
            int x;
            scanf("%d", &x);
            y ^= x;
        }
        int ans = 0;
        for (int i = 0; (1<<i) <= k; i++)
            if (y>>i&1)
                ans = 1;
        printf("%d", ans);
    }
    puts("");
}

Compilation message (stderr)

football.cpp: In function 'int main()':
football.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     scanf("%d", &t);
      |     ~~~~~^~~~~~~~~~
football.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%d%d", &n, &k);
      |         ~~~~~^~~~~~~~~~~~~~~~
football.cpp:14:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |             scanf("%d", &x);
      |             ~~~~~^~~~~~~~~~

• 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