mithilesh kumar singh

  

class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Enter the row number");

            int n = int.Parse(Console.ReadLine());

            for (int row = 0; row < n; row++)

            {

                for (int coll = 0; coll < n; coll++)

                {

                    if (row == 0 && (coll >= n / 5 && coll <= n / 2 - n / 5) || row == 0 && (coll >= n / 2 + n / 5 && coll <= (n - 1) - n / 5))

                    {

                        Console.Write("*" + " ");

                    }

                    else if (row > 0 && row <= n / 5 && (coll == n / 5 - row || coll == n / 2 + n / 5 - row || coll == n / 2 - n / 5 + row || coll == (n - 1) - n / 5 + row))

                    {

                        Console.Write("*" + " ");

                    }

                    else if ((row > n / 5 && row <= n / 2) && (coll == 0 || coll == n - 1))

                    {

                        Console.Write("*" + " ");

                    }

                    else if (row > n / 2 && (coll == row - n / 2 || coll == (n - 1) - (row - n / 2)))

                    {

                        Console.Write("*" + " ");

                    }

                    else

                    {

                        Console.Write("  ");

                    }

                }

                Console.WriteLine();

            }

            Console.ReadLine();

        }

    }