제출 #333328

#제출 시각아이디문제언어결과실행 시간메모리
333328nishuzCoins (IOI17_coins)C++14
0 / 100
12 ms1756 KiB
#include "coins.h"
#include <algorithm>

using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    vector <int> flips;
    int ans = 0;
    for (int i = 0; i < 64; ++i) ans ^= (b[i]*i);
    flips.push_back(ans);
    return flips;
}

int find_coin(vector<int> b) {
    int ans = 0;
    for (int i = 0; i < 64; ++i) ans ^= (b[i]*i);
    return ans;
}
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