diamondC#

using System;

namespace house
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());

            for (int i = 1; i <= (n + 1) / 2; i++)
            {
                if (n % 2 == 0)
                {
                    for (int m = 1; m <= (n + 1) / 2 - i; m++)
                    {
                        Console.Write('-');
                    }
                    Console.Write("*");
                    for (int k = 1; k <= i-1; k++)
                    {
                        Console.Write("--");
                    }
                    Console.Write("*");
                    for (int l = 1; l <= (n + 1) / 2 - i; l++)
                    {
                        Console.Write("-");
                    }
                }
                else
                {
                    for (int m = 1; m <= (n + 1) / 2 - i; m++)
                    {
                        Console.Write('-');
                    }
                    Console.Write("*");

                    for (int k = 1; k <= i - 1; k++)
                    {
                        Console.Write("-");
                    }
                    for (int p = 1; p <= i-2; p++)
                    {
                        Console.Write("-");
                    }
                    if (i>1)
                    {
                        Console.Write("*");
                    }
                    for (int l = 1; l <= (n + 1) / 2 - i; l++)
                    {
                        Console.Write("-");
                    }
                }
                Console.WriteLine();
            }
            for (int i = (n - 1) / 2; i >= 1; i--)
            {
                if (n % 2 == 0)
                {
                    for (int m = 1; m <= (n + 1) / 2 - i; m++)
                    {
                        Console.Write('-');
                    }
                    Console.Write("*");
                    for (int k = 1; k <= i - 1; k++)
                    {
                        Console.Write("--");
                    }
                    Console.Write("*");
                    for (int l = 1; l <= (n + 1) / 2 - i; l++)
                    {
                        Console.Write("-");
                    }
                }
                else
                {
                    for (int m = 1; m <= (n + 1) / 2 - i; m++)
                    {
                        Console.Write('-');
                    }
                    Console.Write("*");

                    for (int k = 1; k <= i - 1; k++)
                    {
                        Console.Write("-");
                    }
                    for (int p = 1; p <= i - 2; p++)
                    {
                        Console.Write("-");
                    }
                    if (i > 1)
                    {
                        Console.Write("*");
                    }
                    for (int l = 1; l <= (n + 1) / 2 - i; l++)
                    {
                        Console.Write("-");
                    }
                }
                Console.WriteLine();
            }
        }
    }
}