제출 #1086199

#제출 시각아이디문제언어결과실행 시간메모리
1086199codexistentCoins (IOI17_coins)C++14
0 / 100
8 ms1696 KiB
#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
    std::vector<int> flips(1);
    
    int xr = 0;
    for(int i : b) xr ^= i;

    flips[0] = c ^ xr;

    return flips;
}

int find_coin(std::vector<int> b) {
    if (b[0] == 0) {
        return 0;
    }
    return 7;
}
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