Task4_TelerikLogo

using System;
using System.Globalization;
using System.Threading;

class TelerikLogo
{
    static void Main()
    {
        Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
        checked
        {
            byte numX = byte.Parse(Console.ReadLine());

            int numZ = numX / 2 + 1;
            int elemOnLine = (2 * numX) + (2 * ((numX / 2) + 1)) - 3;
            int countLines = elemOnLine;
            int halfLine = elemOnLine / 2 + 1;
            int midLine = numX;
            int elemBetweens = elemOnLine - (2 * ((numX / 2) + 1));
            int midOfDownPart = midLine + (elemBetweens / 2) + 1;
            for (int row = 1; row < midLine; row++)
            {
                for (int col = 1; col <= elemOnLine; col++)
                {
                    if (col == numX / 2 + row || col == halfLine + numX - row
                        || col == elemBetweens + numZ + row || col == numZ - row + 1)
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write(".");
                    }
                }
                Console.WriteLine();
            }

            for (int row = midLine; row <= countLines; row++)
            {
                for (int col = 1; col <= elemOnLine; col++)
                {
                    if (row <= midOfDownPart && (col == numZ + (2 * numX) - row - 1 || col == (numX / 2) + row))
                    {
                        Console.Write("*");
                    }
                    else if (row > midOfDownPart && (col == row - numX - (numX / 2) + 1
                        || col == countLines - row + halfLine))
                    {
                        Console.Write("*");
                    }
                    else
                    {
                        Console.Write(".");
                    }
                }
                Console.WriteLine();
            }
        }
    }
}