using System;  

public class Exercise20  

{  

    public static void Main()

{

   int i,j,n;

   Console.Write("Hector L. Galvan Sandoval");

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

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

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

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

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

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

   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");

   }

 }

}