using System;

​

public class Program

{

    public static void Main()

    {

        //int x = 0;

        //Console.WriteLine("Enter size of pyramid");

        //x = int.Parse(Console.ReadLine());

        DrawPyramid(10);

    }

​

    static void DrawPyramid(int l)

    {

        for (int h = 1; h <= l; h++)

        {

            for (int j = h; j <= l; j++)

            {

                Console.Write(" ");

            }

​

            for (int k = 1; k <= h; k++)

            {

                Console.Write("* ");

            }

            Console.WriteLine();

        }

        for (int k = 0; k <= l; k++)

            {

                for (int j = l; j <= l; j++)

            {

                Console.Write(" ");

            }

        for (int j = k; k >= j; j++)

            {

                Console.Write("* ");

            }

            Console.WriteLine();

        }   

    }

}