Forest Road

using System;



class ForestRoad
{
    static void Main()
    {
        Console.WriteLine("n = ");
        int widthOfMapN = int.Parse(Console.ReadLine());
        char asterisk = '*';
        char trees = '.';


        for (int countUp = 0, countDown = widthOfMapN; countUp < widthOfMapN; countUp++, countDown--)
        {
            for (int h = 0; h < countUp; h++)
            {
                Console.Write(trees);
            }
            Console.Write(asterisk);

            for (int j = 0; j < countDown - 1; j++)
            {
                Console.Write(trees);
            }
            Console.WriteLine();
        }


        for (int countUp = 1, countDown = widthOfMapN - 1; countUp < widthOfMapN; countUp++, countDown--)
        {
            for (int h = 0; h < countDown - 1; h++)
            {
                Console.Write(trees);
            }
            Console.Write(asterisk);

            for (int h = 0; h < countUp; h++)
            {
                Console.Write(trees);
            }
            Console.WriteLine();
        }
    }
}