Submission #1219147

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219147		lukasuliashvili	Coins (IOI17_coins)	C++20	100 / 100	6 ms	584 KiB

coins

#include "coins.h"
#include <bits/stdc++.h>
using namespace std;
vector<int> coin_flips(vector<int> b, int c) {
    int k =0;
    vector<int> flip;
    for(int i=0; i<=63; i++){
        if(b[i]==1){
            k^=i;
        }
    }
    int y=c^k;
    flip.push_back(y);
    return flip;
}

int find_coin(vector<int> b) {
       int idx=0;
    for(int i=0; i<=63; i++){
        if(b[i]==1){
            idx^=i;
        }
    }
    return idx;

}

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