제출 #1232604

#제출 시각아이디문제언어결과실행 시간메모리
1232604ereringCoins (IOI17_coins)C++20
100 / 100
5 ms584 KiB
#include <bits/stdc++.h>
using namespace std;
#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
    int val=c;
    for(int i=0;i<64;i++){
        if(b[i])val^=i;
    }
    vector<int> flips(1);
    flips[0]=val;
    return flips;
}

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