any one solve c# program

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace csharp
{
    class Program
    {
        static void Main(string[] args)
        {

            Console.WriteLine("Enter the number");
            int n = Convert.ToInt32(Console.ReadLine());
            for (int i = 1; i <= n; i++)
            {
                int j;
                for (int k = 1; k <= n - i; k++)
                {
                    Console.Write(" ");
                }
                for (j = 1; j <= i; j++)
                {
                    Console.Write("" + j);
                }
                for (int s = j - 2; s >= 1; s--)
                {
                    Console.Write("" + s);
                }


                Console.WriteLine("");
            }


            Console.ReadLine();
        }
    }
}