using System;

public class Program

{

    static string Continue()

    {

        string cont;

        while (true)

        {

            Console.WriteLine("Do you wish to try again? (Y/N)");

            cont = Console.ReadLine();

            if (cont =="Y" || cont == "y"||cont =="N" || cont == "n")

            {

                break;

            }else

                Console.WriteLine("That is an invalid command");

        }

        return cont;

    }

    static int[] CreateArray(int numb)

    {

        int[] array = new int[numb+1];

        return array;

    }

    static void PArray(int numb)

    {

        int[]array = CreateArray(numb);

        Console.Write("The ORIGINAL array is: ");

        for (int index = 0; index <array.Length;index++)

        {

            array[index] = index;

            Console.Write(index+" ");

        }           

        Console.WriteLine();

    //  Console.WriteLine(array[0]);

        array = RArray(numb);

        Console.Write("The REVERSE array is: ");

        foreach(int n in array)

        {

            Console.Write(n+" ");

        }

        Console.WriteLine();

    }

    static int[] RArray(int numb)

    {

        int[]array = new int[numb+1];

        for (int index = 0; index<array.Length; index++)

        {

            array[index] = index;

        }

        Array.Reverse(array);

        //Console.WriteLine(array[0]);

        Console.WriteLine();

        return array;

    }

​

    public static void Main()

    {

        string cont;

        do

        {

            Console.WriteLine("Enter a number: ");

            string input = Console.ReadLine();

            int numb = Convert.ToInt32(input);

            CreateArray(numb);

            Console.WriteLine();

            PArray(numb);

            RArray(numb);

            cont = Continue();

        }while (cont =="Y" || cont == "y");

        Console.WriteLine("Goodbye");

    }

}