#include <iostream>

int repeating_digits(int num)
{
    int num_copy = num / 10;

    while (num_copy > 0)
    {
        while (num > 0)
        {
            if (num % 10 == num_copy % 10)
                return true;
            else
                num /= 10;
        }
        num_copy /= 10;
    }

    return false;
}

int main() {
  std::cout << repeating_digits(2158482);
}