2015年3月23日
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 @ 2015-03-23 17:21 mrpod2g 阅读(122) 评论(0) 推荐(0) 编辑
Gas Station
摘要： There areNgas stations along a circular route, where the amount of gas at stationiisgas[i].You have a car with an unlimited gas tank and it costscost[... 阅读全文
posted @ 2015-03-23 16:33 mrpod2g 阅读(180) 评论(0) 推荐(0) 编辑