Exemple #1
0
        static void Main(string[] args)
        {
            var actions = new Dictionary <string, List <string> >()
            {
                {
                    "Linked List",
                    new List <string>()
                    {
                        "Remove duplicates",
                        "Find loop",
                        "Find the kth to last element",
                        "Delete middle node",
                        "Clone linked lists with arbitrary pointer but without buffer",
                        "Clone linked lists with arbitrary pointer",
                        "Intersection point"
                    }
                }
            };

            int myChose = -1;

            while (myChose != 0)
            {
                Console.Clear();
                Console.WriteLine("MENU\n");
                int index = 1;
                foreach (var action in actions)
                {
                    Console.WriteLine("=== " + action.Key);
                    foreach (var l in action.Value)
                    {
                        Console.WriteLine(" " + index++ + ") " + l);
                    }
                }

                Console.WriteLine("0) To exit\n\nWhat you chose? ");
                string c = Console.ReadLine();
                if (!Int32.TryParse(c, out myChose))
                {
                    continue;
                }

                switch (myChose)
                {
                case 1:
                    #region LL - Remove Duplicates
                    var rd    = new RemoveDuplicates <int>();
                    var listM = Mocks.GetIntList();
                    Console.WriteLine("List before");
                    LinkedListHelper.PrintList <int>(listM);

                    rd.SetList(listM);     // 2 3 4 8 6 9
                    var list = rd.RemoveDup();

                    rd.SetList(Mocks.GetIntList());     // 2 3 4 8 6 9
                    var listNoBuffer = rd.RemoveDupNoBufferAllowed();

                    LinkedListHelper.PrintList <int>(listNoBuffer);

                    #endregion
                    break;

                case 2:
                    #region LL - Find Loop
                    var find  = new FindLoop <int>();
                    var listL = Mocks.GetLoopIntList();
                    find.SetList(listL);
                    var loop = find.Find();

                    Console.WriteLine("Loop found: " + loop.Data);

                    #endregion
                    break;

                case 3:
                    #region LL - Finding the Kth to last Element
                    var kth = new KthToLast <int>();
                    kth.SetList(LinkedListHelper.GetRandomLinkedListInt(8));
                    kth.Kth(1);     // 1 means the last element
                    kth.Kth(2);     // 2 means the last but one
                    #endregion
                    break;

                case 4:
                    #region LL - Delete middle node
                    var del = new MiddleNode <int>();
                    var ll  = new List <int>()
                    {
                        2, 5, 9, 2, 4
                    }.ConvertListToLinkedList();
                    del.SetList(ll);

                    Console.WriteLine("List before");
                    LinkedListHelper.PrintList <int>(ll);

                    var listWithoutMiddle = del.DeleteMiddleNode(ll.Next.Next);     // we delete 9

                    Console.WriteLine("List after");
                    LinkedListHelper.PrintList <int>(listWithoutMiddle);

                    #endregion
                    break;

                case 5:
                    #region LL - Clone linked lists with arbitrary pointer but without buffer
                    var arbList = Mocks.GetListArbitraryPointers();
                    var clone   = new Clone <int>();
                    clone.SetList(arbList);

                    Console.WriteLine("List before");
                    LinkedListHelper.PrintList <int>(arbList);
                    var cloned1 = clone.CloneListArbitraryWithNoBuffer();
                    Console.WriteLine("List after");
                    LinkedListHelper.PrintList <int>(cloned1);
                    #endregion
                    break;

                case 6:
                    #region LL - Clone linked lists with arbitrary pointer
                    var arbList2 = Mocks.GetListArbitraryPointers();
                    var clone2   = new Clone <int>();
                    clone2.SetList(arbList2);

                    Console.WriteLine("List before");
                    LinkedListHelper.PrintList <int>(arbList2);
                    var cloned11 = clone2.CloneListArbitrary();
                    Console.WriteLine("List after");
                    LinkedListHelper.PrintList <int>(cloned11);

                    #endregion
                    break;

                case 7:
                    #region LL - Intersection point
                    new Intersect().IntersectPoint();
                    #endregion
                    break;
                }

                Console.ReadLine();
            }
        }