Submission #1145298

#	Time	Username	Problem	Language	Result	Execution time	Memory
1145298		stdfloat	Football (info1cup20_football)	C++20	100 / 100	18 ms	328 KiB

football

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

using ll = long long;

bool solve() {
	int n, K;
	cin >> n >> K;

	int hr = 0;
	while (n--) {
		int x;
		cin >> x;

		hr ^= x;
	}

	for (int i = 0; (1 << i) <= K; i++)
		if ((hr >> i) & 1) return true;

	return false;
}

int main() {
	ios::sync_with_stdio(false); cin.tie(nullptr);

	int T;
	cin >> T;
	while (T--) cout << solve();
}

• 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