资 源 简 介
创建一棵二叉树,采用前序遍历的方法建立一棵树,传递的参数为一个指向结点的指针的指针,目的是为了解决传值的问题,输入@符号的时候,表示一棵子树结束线索化二叉树,寻找当前结点的后继结点,寻找当前结点的前驱结点,中序遍历
-create a binary tree using preorder before the establishment of a tree. transmission parameters of a point to the node pointer, the purpose is to solve the problem of traditional values, the importation of the @ symbol, said the end of a tree-binary tree of clues to find the current node"s successor nodes, for the current node precursor nodes, China preorder