RhombusOfStars

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

namespace LiveDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            int size = int.Parse(Console.ReadLine());

            string emptySpace = " ";
            string asterisk = "*";


            int firstPartRows = size;
            for (int currentRow = 1; currentRow <= firstPartRows; currentRow++)
            {
                for (int currentWhiteSpace = 0; currentWhiteSpace < size - currentRow; currentWhiteSpace++)
                {
                    Console.Write(emptySpace);
                }

                Console.Write(asterisk);

                for (int currentCombination = 0; currentCombination < currentRow - 1; currentCombination++)
                {
                    Console.Write(emptySpace + asterisk);
                }

                Console.WriteLine();
            }

            int secondPartRows = size - 1;
            for (int currentRow = secondPartRows; currentRow > 0; currentRow--)
            {
                for (int currentEmptySpace = 0; currentEmptySpace < size - currentRow; currentEmptySpace++)
                {
                    Console.Write(emptySpace);
                }

                Console.Write(asterisk);

                for (int currentCombination = 0; currentCombination < currentRow - 1; currentCombination++)
                {
                    Console.Write(emptySpace + asterisk);
                }

                Console.WriteLine();
            }
        }
    }
}