c12p677.txt

来自「Data Abstraction & Problem Solving with 」· 文本 代码 · 共 10 行

class TreeNode
{ 
private:
   TreeItemType smallItem, middleItem, largeItem;
   TreeNode *leftChildPtr, *lMidChildPtr,
            *rMidChildPtr, *rightChildPtr; 

   friend class TwoThreeFourTree;
};  // end TreeNode