제출 #652626

#제출 시각아이디문제언어결과실행 시간메모리
652626ymmCoins (IOI17_coins)C++17
100 / 100
12 ms1624 KiB
#include "coins.h"
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (ll)(r); ++x)
#define LoopR(x,l,r) for (ll x = (r)-1; x >= (ll)(l); --x)
typedef long long ll;
typedef std::pair<int, int> pii;
typedef std::pair<ll , ll > pll;
using namespace std;

std::vector<int> coin_flips(std::vector<int> b, int c)
{
	int ans = c;
	Loop (i,0,64)
		if (b[i])
			ans ^= i;
	return {ans};
}

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