reverse_digit.h

#ifndef CPP_ALGORITHM_REVERSE_DIGIT_H
#define CPP_ALGORITHM_REVERSE_DIGIT_H

namespace ReverseDigit
{
    /**
     * \brief Reverse the digits of a given integer.
     * if the input is x = 123, the output should be 321.
     * \param x input number
     * \return result number
     */
    auto Reverse(int x) -> long long;
}

#endif