Submission #1219151

#	Time	Username	Problem	Language	Result	Execution time	Memory
1219151		giorgi123glm	Coins (IOI17_coins)	C++20	100 / 100	5 ms	748 KiB

coins

#include "coins.h"
#include <cstdlib>
#include <iostream>
#include <vector>
using namespace std;

vector<int> coin_flips(vector<int> b, int c) {
    int hash = 0;
    for (int i = 0; i <= 63; i++)
        if (b[i])
            hash ^= i;
    
    return {hash ^ c};
}

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

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