using System;

public class Program

{

​

    public static void Main()

    {

        int number, i, k, count = 1;

        number = 10;

        count = number - 1;

        for (k = 1; k <= number; k++)

        {

            for (i = 1; i <= count; i++)

                Console.Write(" ");

            count--;

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

                Console.Write("*");

            Console.WriteLine();

        }

    }

}