zad 2.17

#include <iostream>
#include <cstdlib>
#include <string>
void dec_to_oct(int numberToParse)
{
    int i = 0, tab[31];

    while (numberToParse)
    {
        tab[i++] = numberToParse % 8;
        numberToParse /= 8;
    }

    for (int j = i - 1; j >= 0; j--)
        std::cout << tab[j];
}
void dec_to_hex(int numberHex)
{
    if (numberHex > 0)
    {
        dec_to_hex(numberHex / 16);
        int numberToParse = numberHex % 16;
        std::string mark;
        if (numberToParse >= 10)
        {
            mark = 'A' + numberToParse - 10;
        }
        else
        {
            mark = numberToParse + '0';
        }
        std::cout << mark;
    }

}
int main()
{
    int response;
    std::cout << "[1]Dec To Oct" << std::endl;
    std::cout << "[2]Dec To Hex" << std::endl;
    std::cout << "enter: ";
    std::cin >> response;
    switch (response)
    {
    case 1:
    {
        int numberToParse;
        std::cout << "Enter the number you want to change; ";
        std::cin >> numberToParse;
        std::cout << numberToParse << " After conversion to octal: ";
        dec_to_oct(numberToParse);
        break;
    }
    case 2:
    {
        int numberToParse;
        std::cout << "Enter the number you want to change; ";
        std::cin >> numberToParse;
        std::cout << numberToParse << " After conversion to hexal: ";
        dec_to_hex(numberToParse);
        break;
    }
    default:
        std::cout << "No way" << std::endl;
    }

    return 0;
}