Homework NumeralSystems - Task 01

using System;

class DecimalToBinary
{
    // 01. Write a program to convert decimal numbers to their binary representation.

    static void Main()
    {
        int number = 9;

        Console.WriteLine("\n{0}d -> {1}b", number, ConvertDecToBin(number));
    }

    static string ConvertDecToBin(int num)
    {
        string binaryCode = string.Empty;

        for (int i = num; i >= 1; i >>= 1)
        {
            binaryCode = (i - (i >> 1 << 1)) + binaryCode;
        }

        return binaryCode;
    }
}