제출 #1038187

#제출 시각아이디문제언어결과실행 시간메모리
1038187HanksburgerCoins (IOI17_coins)C++17
100 / 100
8 ms1860 KiB
#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> coin_flips(vector<int> b, int c)
{
	int s=0;
	for (int i=0; i<64; i++)
		s^=b[i]*i;
	return vector<int>(1, s^c);
}
int find_coin(vector<int> b)
{
    int s=0;
    for (int i=0; i<64; i++)
        s^=b[i]*i;
    return s;
}
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