Submission #675175

#	Time	Username	Problem	Language	Result	Execution time	Memory
675175		vjudge1	Football (info1cup20_football)	C++17	100 / 100	37 ms	408 KiB

football

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

void main_program();

signed main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	int T; cin >> T;
	while (T--) main_program();
	cout << "\n";
}

int n, k, p;
vector<int> v;

int solve(vector<int> &a){
	if (p > k) return 0;
	bool all0 = true;
	int parity = 0;

	for (auto i: a){
		all0 &= (!i);
		parity ^= i;
	}

	if (all0) return 0;

	if (parity & 1) return 1;
	else{
		for (auto &i: a) i >>= 1;
		p <<= 1;
		return solve(a);
	}
}

void main_program(){
	cin >> n >> k; p = 1;
	v.resize(n); for (auto &i: v) cin >> i;

	cout << solve(v);
}

• 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