제출 #918553

#제출 시각아이디문제언어결과실행 시간메모리
918553AtabayRajabliCoins (IOI17_coins)C++17
100 / 100
7 ms1608 KiB
#include "coins.h"

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

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