using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

         Random rnd = new Random();

​

            LinkedList<int> linkedList = new LinkedList<int>(Enumerable.Range(1,10));

​

            for (LinkedListNode<int> node=linkedList.First;node!=null; node=node.Next)

            {

                if (node.Value % rnd.Next(1,linkedList.Count) == 0) linkedList.AddAfter(node, -node.Value);

            }

​

            Console.WriteLine("Items: "+string.Join(", ",linkedList));

            Console.WriteLine("Count: "+linkedList.Count);

            Console.ReadLine();

    }

}