/*

Can you print the following pattern?

​

1

12

123

1234

12345

*/

​

using System;

​

public class Program

{

    public static string GeneratePattern(int floor, int ceiling)

    {

        string result = "**********" + Environment.NewLine;

        if (floor <= 0 || ceiling <= 0 || floor >= ceiling)

        {

            result += "Input error. Please try again.";

            return (result);

        }

        // WRITE YOUR CODE HERE...

​

        return (result);

    }

    public static void Main()

    {

        Console.WriteLine(GeneratePattern(5, 1));

        Console.WriteLine(GeneratePattern(1, 5));

        Console.WriteLine(GeneratePattern(2, 9));

    }

}