/******************************************************/
/* Introduction to Programming                        */
/* By Dr. ANTF                                        */
/* www.antf.net                                       */
/* Copyright 2015                                     */
/*                                                    */
/* C# 322 - Problem 21: Decimal to Binary             */
/******************************************************/

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DOS
{
    class Program
    {
        static void Main(string[] args)
        {
            int dec, reversedBinary = 0, binary = 0;
            Console.Write("Please enter a decimal number: ");
            dec = int.Parse(Console.ReadLine());

            //get the reversed binary
            while(dec != 0)
            {
                reversedBinary = (reversedBinary * 10) + (dec % 2);
                dec = dec / 2;
            }

            //reverse the wrong answer
            while(reversedBinary != 0)
            {
                binary = (binary * 10) + (reversedBinary % 10);
                reversedBinary = reversedBinary / 10;
            }

            Console.WriteLine("\n\nThe binary number is: {0}", binary);

            Console.ReadKey();
        }
    }
}