제출 #317088

#제출 시각아이디문제언어결과실행 시간메모리
317088jhnah917Coins (IOI17_coins)C++14
100 / 100
13 ms1952 KiB
#include "coins.h"
#include <bits/stdc++.h>
using namespace std;

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

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