2014年9月18日
[leetcode] Validate Binary Search Tree （检验是否为二叉查找树） Python
摘要： Given a binary tree, determine if it is a valid binary search tree (BST).Assume a BST is defined as follows:The left subtree of a node contains only n... 阅读全文
posted @ 2014-09-18 10:17 zhidan 阅读(233) 评论(0) 推荐(0)