제출 #1145298

#제출 시각아이디문제언어결과실행 시간메모리
1145298stdfloatFootball (info1cup20_football)C++20
100 / 100
18 ms328 KiB
#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();
}
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