제출 #534588

#제출 시각아이디문제언어결과실행 시간메모리
534588jk410Coins (IOI17_coins)C++17
100 / 100
13 ms1544 KiB
#include "coins.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> coin_flips(vector<int> b,int c) {
    vector<int> flips(1);
    int cur=0;
    for (int i=0; i<64; i++){
        if (!b[i])
            continue;
        for (int j=0; j<6; j++){
            if (i&(1<<j))
                cur^=(1<<j);
        }
    }
    flips[0]=(c^cur);
    return flips;
}

int find_coin(vector<int> b) {
    vector<int> flips(1);
    int cur=0;
    for (int i=0; i<64; i++){
        if (!b[i])
            continue;
        for (int j=0; j<6; j++){
            if (i&(1<<j))
                cur^=(1<<j);
        }
    }
    return cur;
}
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