Perfect Diamnond

using System;
class Program
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());

        for (int row = 1; row <= n; row++)
        {
            for (int i = 0; i < n - row; i++)
            {
                Console.Write(" ");
            }
            Console.Write("*");
            for (int i = 0; i < row - 1; i++)
            {
                Console.Write("-*");
            }
            Console.WriteLine();
        }
        for (int row = n - 1; row > 0; row--)
        {
            for (int i = 0; i < n - row; i++)
            {
                Console.Write(" ");
            }
            Console.Write("*");
            for (int i = 0; i < row - 1; i++)
            {
                Console.Write("-*");
            }
            Console.WriteLine();
        }
    }
}