#include <cassert>

#include <iostream>

#include <vector>

int revert_int(int _num) {

// integer number bins length <= 32

std::vector<bool> bin2(32, false);

int counter = 0;

int num = _num;

while (num) {

// std::cout<< " NUM:" << () << std::endl;

bin2[counter++] = (num & 0x01 == 0x01);

num >>= 1;

}

std::cout << "THE " << _num << " COUNTER : " << counter << std::endl;

for (int i = 0; i < counter; ++i) {

std::cout << bin2[i];

}

std::cout << std::endl;

int result = bin2[0];

for (int i = 1; i < counter; ++i) {

result <<= 1;

result |= bin2[i] ? 0x01 : 0x00;

// std::cout << i << " : "<< bin2[i]<< " : " << result << std::endl;

}

return result;

}

int main(int argc, char const *argv[]) {

assert(revert_int(9) == 9);

assert(revert_int(8) == 1);

assert(revert_int(6) == 3);

return 0;

}