using System;  

public class Program  

{  

    public static void Main()

    {

        int i,j,n,w = 0;

​

        Console.Write("\n\n");

        Console.Write("Display the pattern like pyramid containing odd number of asterisks:\n");

        Console.Write("----------------------------------------------------------------------");

        Console.Write("\n\n");   

        while( w != -1) {

​

            Console.Write("Input number of rows for this pattern :");

            n= Convert.ToInt32(Console.ReadLine()); 

            w =n+8;

            for(i=0;i<=n;i++)

            {

                for(j=1;j<=n-i;j++)

                    Console.Write(" ");

                for(j=1;j<=2*i-1;j++)

                    Console.Write("*");

                Console.Write("\n");

            }

            Console.Write("\n\n");   

            Console.Write("Input number -1 to exit other number to continue:");

            w = Convert.ToInt32(Console.ReadLine()); 

            Console.Write("\n\n");  

​

        }

        Console.Write("Process terminated");

     }

}