Diamond

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());

            char asterisk = '*';
            char whiteSpace = ' ';
            char forwardSlash = '/';
            char pipe = '|';
            char dash = '-';

            int countOfAsterisk = 1;
            if (size % 2 == 0)
            {
                countOfAsterisk = 2;
            }

            int countOfDashes = (size - countOfAsterisk) / 2;

            string topAndBotRow = string.Format("{0}{1}{0}", new string(dash, countOfDashes),
                                                             new string(asterisk, countOfAsterisk));

            Console.WriteLine(topAndBotRow);

            int totalRows = size;
            if (size % 2 == 0)
            {
                size--;
            }

            int rowsOfTopPart = (totalRows - 1) / 2;
            int countOfMiddleDashes = countOfAsterisk;
            for (int currentRow = 0; currentRow < rowsOfTopPart; currentRow++)
            {
                countOfDashes--;
                string sideDashes = new string(dash, countOfDashes);
                string middleDashes = new string(dash, countOfMiddleDashes);
                countOfMiddleDashes += 2;

                Console.WriteLine("{0}*{1}*{0}", sideDashes, middleDashes);
            }

            int rowsOfBottomPart = rowsOfTopPart - 1;
            countOfMiddleDashes -= 4;
            for (int currentRow = 1; currentRow <= rowsOfBottomPart; currentRow++)
            {
                string sideDashes = new string(dash, currentRow);
                string middleDashes = new string(dash, countOfMiddleDashes);
                countOfMiddleDashes -= 2;

                Console.WriteLine("{0}*{1}*{0}", sideDashes, middleDashes);
            }

            if (size > 2)
            {
                Console.WriteLine(topAndBotRow);
            }
        }
    }
}