제출 #1221727

#제출 시각아이디문제언어결과실행 시간메모리
1221727vladiliusCoins (IOI17_coins)C++20
25 / 100
5 ms584 KiB
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pii = pair<int, int>;
#define pb push_back
#define ff first
#define ss second

vector<int> coin_flips(vector<int> b, int c){
    vector<int> x;
    for (int i = 7; i >= 0; i--){
        bool B = (c >> i) & 1;
        if (B != b[i]){
            x.pb(i);
        }
    }
    if (x.empty()) x.pb(63);
    return x;
}

int find_coin(vector<int> b){
    int c = 0;
    for (int i = 0; i <= 7; i++){
        c += b[i] * (1 << i);
    }
    return c;
}
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