تحديات برمجيةالتحدي الثاني - حل التمرين الخامس بلغة C#

using System;

class Program
{
    static void Main(string[] args)
    {
        int n;

        do
        {
            Console.Write("Enter the number of lines: ");
            n = int.Parse(Console.ReadLine());
        }
        while (n <= 0 || n % 2 == 0);

        for (int i = 1; i <= n; i++)
        {
            if (i <= n / 2)
            {
                for (int k = 1; k < (n / 2) - i + 2; k++)
                {
                    Console.Write(" ");
                }
                for (int j = 1; j <= i; j++)
                {
                    Console.Write("*");
                }
            }
            else
            {
                for (int k = 1; k < i - (n / 2); k++)
                {
                    Console.Write(" ");
                }
                for (int j = 1; j < n - i + 2; j++)
                {
                    Console.Write("*");
                }
            }

            Console.WriteLine();
        }

        Console.ReadKey();
    }
}

using System;

class Program
{
    static void Main(string[] args)
    {
        int n;

        do
        {
            Console.Write("Enter the number of lines: ");
            n = int.Parse(Console.ReadLine());
        }
        while (n <= 0 || n % 2 == 0);

        for (int i = 1; i < (n / 2) + 2; i++)
        {
            for (int k = 1; k < (n / 2) - i + 2; k++)
            {
                Console.Write(" ");
            }
            for (int j = 1; j <= i; j++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
        }

        for (int i = 1; i <= n / 2; i++)
        {
            for (int k = 1; k <= i; k++)
            {
                Console.Write(" ");
            }
            for (int j = 1; j < (n / 2) + 2 - i; j++)
            {
                Console.Write("*");
            }
            Console.WriteLine();
        }

        Console.ReadKey();
    }
}

Enter the number of lines: 5
  *
 **
***
 **
  *