03 - beer

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

namespace _03_beer
{
    class Beer
    {
        static void DrawLineElements(int l, int m, int width, string a)
        {
            for(int i=0; i<width; i++)
            {
                if(i==l || i==m)
                {
                    Console.Write("*");
                }
                else
                {
                    Console.Write(a);
                }
            }
            Console.WriteLine();

        }
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int width = n * 2;
            int widthTop = n + 1;
            int height = n * 3 + 1;

            int leftRight = (width - widthTop) / 2;

            //firstLine
            for (int i=0; i<width-leftRight; i++)
            {
                if(i<leftRight || i>(width-1-leftRight))
                {
                    Console.Write(" ");
                }
                else
                {
                    Console.Write("*");
                }
            }
            Console.WriteLine();

            //top bottle
            for (int j = 0; j <= leftRight; j++ )
            {
                for (int i = 0; i < width; i++)
                {
                    if (i == leftRight || i == (width -1- leftRight))
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write(" ");
                    }
                }
                Console.WriteLine();
            }
            for (int j = leftRight-1; j > 0; j--)
            {
                DrawLineElements(j, width - 1-j, width, " ");

            }
            for (int i = 0; i < n; i++ )
            {
                DrawLineElements(0, width-1, width, ".");
            }
            for (int i = 0; i < n; i++)
            {
                DrawLineElements(0, width - 1, width, "@");
            }
            DrawLineElements(0, 1, width, "*");


                Console.ReadLine();
        }
    }
}