ejercicio9

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

namespace eercicio9
{
    class Program
    {
        static void Main(string[] args)
        {
            Lista<int> miLista = new Lista<int>();
            Lista<int> multiplos = new Lista<int>();
            Console.WriteLine("Cuantos numeros desea generar?");
            int n = Int32.Parse(Console.ReadLine());
            Random r = new Random();

            for (int i = 0; i < n; i++)
            {
                miLista.AddToLast(r.Next(10, 99));
            }


            Console.WriteLine("\nLista Inicial");
            foreach (int value in miLista)
            {
                Console.WriteLine("|_{0}_|", value);
                if ((value % 6) == 0)
                {
                    multiplos.AddToLast(value);
                }
            }

            if (multiplos.Empty)
            {
                Console.WriteLine("\nNo se encontraron múltiplos de 6");
            }
            else
            {
                Console.WriteLine("\nLista Multiplos de 6");
                foreach (int value in multiplos)
                {
                    Console.WriteLine("|_{0}_|", value);
                }

            }
            Console.ReadKey();
        }
    }
}

/*-----------------------------------------------------------------------------------------------------------------------------------*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Collections;
using System.Text;

namespace eercicio9
{
    class Lista<E> : IEnumerable where E : IComparable
    {
        private Node head;
        private int count;
        private Node tail;

        public bool Empty
        {
            get { return this.count <= 0; }

        }

        public Lista()
        {
            this.head = null;
            this.count = 0;
            this.tail = null;
        }


        public void AddToLast(E item)
        {
            Node temp = new Node(item, null);
            if (Empty)
            {
                this.head = temp;
            }
            else
            {
                this.tail.next = temp;
            }
            this.tail = temp;
            ++this.count;
        }

        IEnumerator IEnumerable.GetEnumerator()
        {
            return MyEnumerator();
        }

        private IEnumerator MyEnumerator()
        {
            for (Node skip = head; skip != null; skip = skip.Next)
            {
                yield return skip.Item;
            }
        }


        //-----------------------------------------------------------------------------------------------------------------------------

        private class Node
        {
            public E item;
            public Node next;

            public Node()
            {
            }

            public Node(E item)
            {
                this.item = item;
            }

            public Node(E item, Node next)
            {
                this.item = item;
                this.next = next;
            }

            public Node(Node next)
            {
                this.next = next;
            }

            public Node Next
            {
                get { return this.next; }
                set { this.next = value; }
            }

            public E Item
            {
                get { return this.item; }
                set { this.item = value; }
            }
        }
    }
}