AlgorithmsDataStructuresConvert2BinaryMartinVelichkov

// Martin Velichkov <martin.velichkov@abv.bg>

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

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.Write("Please, enter a number: ");

            int number = int.Parse(Console.ReadLine());

            int[] binaryArr = new int[10];
            int i = 0;

            do
            {
                binaryArr[i] = number % 2;
                number = number / 2;
                i++;
            } while (number != 0);

            for (int k = binaryArr.Length - 1; k >= 0; k--)
            {
                if (binaryArr[k] == 1)
                {
                    for (int j = k; j >= 0; j--)
                    {
                        Console.Write(binaryArr[j]);
                    }
                    break;
                }
            }

            Console.WriteLine();
        }
    }
}