Submission #918548

#TimeUsernameProblemLanguageResultExecution timeMemory
918548AtabayRajabliCoins (IOI17_coins)C++17
Compilation error
0 ms0 KiB
#include "coins.h"

std::vector<int> coin_flips(std::vector<int> b, int c) {
    for(int i = 0; i < 64; i++)
    {
        if(b[i])
        {
            c ^= i;
        }
    }
    return c;
}

int find_coin(std::vector<int> b) {
    int r = 0;
    for(int i = 0; i < 64; i++)
    {
        if(b[i])
        {
            r ^= i;
        }
    }
    return r;
}

Compilation message (stderr)

coins.cpp: In function 'std::vector<int> coin_flips(std::vector<int>, int)':
coins.cpp:11:12: error: could not convert 'c' from 'int' to 'std::vector<int>'
   11 |     return c;
      |            ^
      |            |
      |            int