using System;

using System.Text;

using System.Threading.Tasks;

using System.Diagnostics;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        var byteList = new List<byte>();

        FillList(byteList);

        var byteList1 = new List<byte>(300);

        FillList(byteList1);

        var byteList11 = new List<byte>(600);

        FillList(byteList11);

    }

    private static void FillList(List<byte> list)

    {

        var stopwatch = Stopwatch.StartNew();

        for(var i=0;i<300;i++)

        {

            list.Add(0);

        }

        stopwatch.Stop();

        Console.WriteLine(stopwatch.Elapsed);

        /*

        LAST RUN:

        00:00:00.0000065

        00:00:00.0000037

        00:00:00.0000035

        */

    }

}