BatGoikoTower

using System;

class BatGoikoTower
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());

        int outerDots = n - 1;
        int innerDots = 0;
        int lines = 0;

        int count = 2;
        int sum = 1;

        for (int i = 0; i < n; i++)
        {
            Console.Write(new string('.', outerDots));
            Console.Write('/');
            if (i == sum)
            {
                Console.Write(new string('-', lines));
                sum = sum + count;
                count++;
            }
            else
            {
                Console.Write(new string('.', innerDots));
            }
            Console.Write('\\');
            Console.Write(new string('.', outerDots));

            outerDots--;
            innerDots += 2;
            lines += 2;

            Console.WriteLine();
        }
    }
}