mithilesh kumar singh

Enter the Input row number:7

*
*   *
*       *
*            *
*                *
*                    *
*   *  *  *  *  *  *

  

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Enter the input row number");

            int n = int.Parse(Console.ReadLine());

            for (int row = 1; row <= n; row++)

            {

                for (int coll = 1; coll <= row; coll++)

                {

                    if (coll == 1 || row == n || coll == row)

                    {

                        Console.Write("*" + " ");

                    }

                    else

                    {

                        Console.Write("  ");

                    }

                }

                Console.WriteLine();

            }

            Console.ReadLine();

        }

    }