2014年10月22日
Best Time to Buy and Sell Stock
摘要： Best Time to Buy and Sell StockSay you have an array for which theithelement is the price of a given stock on dayi.If you were only permitted to compl... 阅读全文
posted @ 2014-10-22 20:39 zlz~ling 阅读(130) 评论(0) 推荐(0) 编辑
Minimum Depth of Binary Tree
摘要： Minimum Depth of Binary TreeGiven a binary tree, find its minimum depth.The minimum depth is the number of nodes along the shortest path from the root... 阅读全文
posted @ 2014-10-22 15:16 zlz~ling 阅读(138) 评论(0) 推荐(0) 编辑
Balanced Binary Tree
摘要： Balanced Binary TreeGiven a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tre... 阅读全文
posted @ 2014-10-22 11:13 zlz~ling 阅读(131) 评论(0) 推荐(0) 编辑