Submission #1221724

#	Time	Username	Problem	Language	Result	Execution time	Memory
1221724		vladilius	Coins (IOI17_coins)	C++20	0 / 100	1 ms	584 KiB

coins

#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);
        }
    }
    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;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 15
• Subtask 3: 0 / 10
• Subtask 4: 0 / 15
• Subtask 5: 0 / 50