C#_DrawCar.cs

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


class DrawCar
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        Console.WriteLine("{0}{1}{0}",new string('.',n),new string('*',n));
        int middleD = 0;
        for (int i = 1; i <=n/2-1; i++)
        {
            Console.WriteLine("{0}*{1}*{0}",new string('.',n-i), new string('.',middleD+n));
            middleD += 2;
        }
        Console.WriteLine("{0}{1}{0}",new string('*',n/2+1),new string('.',n*2-2));
        for (int i = 0; i < n/2-2; i++)
        {
            Console.WriteLine("*{0}*",new string('.',n*3-2));
        }
        Console.WriteLine(new string('*',n*3));
        for (int i = 0; i < n / 2 - 2; i++)
        {
            Console.WriteLine("{0}*{1}*{2}*{1}*{0}", 
                new string('.',n/2),
                new string('.',n/2-1),
                new string('.',n-2));
        }
        Console.WriteLine("{0}*{1}*{2}*{1}*{0}",
                new string('.', n / 2),
                new string('*', n / 2 -1),
                new string('.', n - 2));
    }
}