2014年7月31日
[LeetCode 题解]: Partition List
摘要： Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the origi... 阅读全文
posted @ 2014-07-31 23:41 Double_win 阅读(245) 评论(0) 推荐(0) 编辑
[LeetCode 题解]: Validate Binary Search Tree
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 @ 2014-07-31 13:37 Double_win 阅读(542) 评论(0) 推荐(0) 编辑