c# bakllava dilimi, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
        tersUcgenGoster(20);

}
        public static void tersUcgenGoster(int boyut) {

for (int i = 0; i <= boyut; i++) 
            {
                Console.Write(" ");
                for (int j = i; j < boyut; j++) 
                {
                    Console.Write(" ");
                }
                for (int j = 0; j < 2 * i - 1; j++) 
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
            for (int i = boyut; i >= 0; i--) 
            {
                Console.Write(" ");
                for (int j = i; j < boyut + 1; j++) 
                {
                    Console.Write(" ");
                }
                for (int j = 0; j < 2 * i - 3; j++) 
                {
                    Console.Write("*");
                }
                Console.WriteLine();
            }
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,13 sec, cpu time: 0,12 sec, average memory usage: 13 Mb, average nr of threads: 3