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2016年11月5日

leetcode 125. Valid Palindrome ----- java

摘要： Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example,"A man, a plan, a canal: Pan 阅读全文

posted @ 2016-11-05 15:25 xiaoba1203 阅读(483) 评论(0) 推荐(0)

leetcode 124. Binary Tree Maximum Path Sum ----- java

摘要： Given a binary tree, find the maximum path sum. For this problem, a path is defined as any sequence of nodes from some starting node to any node in th 阅读全文

posted @ 2016-11-05 14:33 xiaoba1203 阅读(149) 评论(0) 推荐(0)

leetcode 123. Best Time to Buy and Sell Stock III ----- java

摘要： Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to find the maximum profit. You may comple 阅读全文

posted @ 2016-11-05 12:29 xiaoba1203 阅读(165) 评论(0) 推荐(0)

2016年11月5日

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