제출 #650134

#제출 시각아이디문제언어결과실행 시간메모리
650134noob_c0deCoins (IOI17_coins)C++17
100 / 100
12 ms1368 KiB
#include<bits/stdc++.h>
using namespace std;
vector<int> coin_flips(vector<int> b, int c)
{
	int ans = 0;
	for (int i = 0; i < 64; i++) 
	if (b[i]) ans ^= i;
	ans ^= c;
	return {ans};
}
int find_coin(vector<int> b)
{
	int ans = 0;
	for (int i = 0; i < 64; i++) 
	if (b[i] == 1) ans ^= i;
	return ans;
}
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