2015年5月6日
【LeetCode】96.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 @ 2015-05-06 20:19 HelloWaston 阅读(176) 评论(0) 推荐(0)
【LeetCode】136.Single Number
摘要： Given an array of integers, every element appearstwiceexcept for one. Find that single one.Note:Your algorithm should have a linear runtime complexity... 阅读全文
posted @ 2015-05-06 19:43 HelloWaston 阅读(190) 评论(0) 推荐(0)