Submission #525179

#	Time	Username	Problem	Language	Result	Execution time	Memory
525179		maks007	Football (info1cup20_football)	C++14	100 / 100	215 ms	1404 KiB

football

#include <bits/stdc++.h>

using namespace std;
#define int long long
int32_t main(void) {
	int t;
	cin >> t;
	int countdown = 0;
	while(t --){
		int n, k;
		cin >> n >> k;
		vector <int> a(n);
		function <int()> check=[&]() {
			int cnt = 0;
			for(int i = 0; i < n; i++) {
				if(a[i] == 1 or a[i] == 0) cnt ++;
			}
			if(cnt == n) return 0;
			else return 1;
		};
		for(int i = 0; i < n; i ++) cin >> a[i];
		while(k > 0) {
			int sum = accumulate(a.begin(), a.end(), 0ll);
			for(int i = 0; i < n; i ++) a[i] >>= 1;
			if(sum % 2 == 1) {
				cout << 1;
				goto end;
			}
			k /= 2;
		}
		cout << 0;
		end:;
	}
	return false;
} 

Compilation message (stderr)

football.cpp: In function 'int32_t main()':
football.cpp:8:6: warning: unused variable 'countdown' [-Wunused-variable]
    8 |  int countdown = 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