제출 #655011

#제출 시각아이디문제언어결과실행 시간메모리
655011shmadCoins (IOI17_coins)C++17
100 / 100
9 ms1552 KiB
#include "coins.h"
#include <bits/stdc++.h>

using namespace std;

std::vector<int> coin_flips(std::vector<int> b, int c) {
	int res = c;
	for (int i = 0; i < 64; i++) {
		if (b[i]) res ^= i;
	}
	vector<int> v;
	v.push_back(res);
	return v;
}

int find_coin(std::vector<int> b) {
	int ans = 0;
	for (int i = 0; i < 64; i++) {
		if (b[i]) ans ^= i;
	}
	return ans;
}
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