2014年9月16日
LeetCode Unique Binary Search Trees
摘要： Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1... 阅读全文
posted @ 2014-09-16 21:48 birdhack 阅读(132) 评论(0) 推荐(0)
LeetCode Same Tree
摘要： Given two binary trees, write a function to check if they are equal or not.Two binary trees are considered equal if they are structurally identical an... 阅读全文
posted @ 2014-09-16 21:04 birdhack 阅读(134) 评论(0) 推荐(0)