Submission #702489

#	Time	Username	Problem	Language	Result	Execution time	Memory
702489		jamezzz	Football (info1cup20_football)	C++17	100 / 100	44 ms	2028 KiB

football

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

int main(){
	int tc;scanf("%d",&tc);
	while(tc--){
		int n,k;scanf("%d%d",&n,&k);
		k=1<<(32-__builtin_clz(k));
		int res=0;
		for(int i=0;i<n;++i){
			int a;scanf("%d",&a);
			res^=a%k;
		}
		printf("%d",res!=0);
	}
}

Compilation message (stderr)

football.cpp: In function 'int main()':
football.cpp:5:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 |  int tc;scanf("%d",&tc);
      |         ~~~~~^~~~~~~~~~
football.cpp:7:16: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |   int n,k;scanf("%d%d",&n,&k);
      |           ~~~~~^~~~~~~~~~~~~~
football.cpp:11:15: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |    int a;scanf("%d",&a);
      |          ~~~~~^~~~~~~~~

• 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