数据结构与算法(C#实现)系列---广义树(一)

Heavenkiller(原创)

广义树和基本树的主要区别就是有任意的度

using System;
using System.Collections;
namespace DataStructure

{
     /// <summary>

     /// GeneralTree 的摘要说明。

     /// general tree is a tree which has a arbitrary degree and no empty tree

     /// use ArrayList to replace ListAsLinkedList

     /// </summary>

     public class GeneralTree:Tree

     {

         protected object key=null;

         protected uint degree=0;

         //protected uint height=0;

         protected ArrayList treeList=new ArrayList();

         public GeneralTree(object _objKey)

         {

              //

              // TODO: 在此处添加构造函数逻辑

              //

              key=_objKey;

              degree=0;

         //   height=0;

              ArrayList treeList=new ArrayList();

         }

         public virtual void AttackSubtree(GeneralTree _gTree)

         {

              this.treeList.Add(_gTree);

              ++degree;

         }

         public virtual GeneralTree DetachSubtree(GeneralTree _gTree)

         {

              this.treeList.Remove(_gTree);

              degree--;

              return _gTree;//?????  how to remove ,reference or object????

         }

         public override Tree this[uint _index]

         {

              get

              {

                   if(_index>=this.degree)

                       throw new Exception("my:out of index");

                   return (Tree)treeList[(int)_index];

              }

              set

              {
                   treeList[(int)_index]=value;

              }
         }