diamond

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

namespace Diamond
{
    class Program
    {
        static void Main(string[] args)
        {
            //Console.WriteLine("Enter a number here: ");
            int n = int.Parse(Console.ReadLine());
            int countDashes = 0;
            if (n%2==1)
            {
                //first line
                Console.WriteLine("{0}{1}{2}", new string('-', n / 2), "*", new string('-', n / 2));
                countDashes++;
            }
            //middle part
            for (int i = 0; i < n / 2; i++)
            {
                    Console.WriteLine("{0}{1}{2}{3}{4}",new string('-',n/2-1-i)+"*"+new string('-',countDashes+2*i)+"*"+new string('-',n/2-1-i));
            }
            for (int i = 0; i < n/2-1; i++)
            {
                Console.WriteLine("{0}{1}{2}{3}{4}", new string('-',1 + i) + "*" + new string('-', n-4-2*i) + "*" + new string('-',1 +i));
            }
            if (n%2==1)
            {
                //last line
                Console.WriteLine("{0}{1}{2}", new string('-', n / 2),"*", new string('-', n / 2));
            }
        }
    }
}