二叉树算法--C++描述。程序中包括了二叉树查找父结点、查找任意结点、创建、删除子树操作、递归（先序、中序、后序）遍历、非递归（先序、中序。后序）遍历、层次遍历。-Binary tree algorithm- C++ descr iption. Program includes a binary tree to find the parent node, any node to find, create, delete subtree operation, recursive (preorder