2014年4月22日
[Leetcode] Word Break II
摘要： Given a stringsand a dictionary of wordsdict, add spaces insto construct a sentence where each word is a valid dictionary word.Return all such possibl... 阅读全文
posted @ 2014-04-22 17:16 Eason Liu 阅读(3114) 评论(0) 推荐(0)
[Leetcode] Best Time to Buy and Sell Stock III
摘要： Say you have an array for which theithelement is the price of a given stock on dayi.Design an algorithm to find the maximum profit. You may complete a... 阅读全文
posted @ 2014-04-22 16:34 Eason Liu 阅读(205) 评论(0) 推荐(0)
[Leetcode] Permutation Sequence
摘要： The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie... 阅读全文
posted @ 2014-04-22 15:41 Eason Liu 阅读(157) 评论(0) 推荐(0)
[Leetcode] Surrounded Regions
摘要： Given a 2D board containing'X'and'O', capture all regions surrounded by'X'.A region is captured by flipping all'O's into'X's in that surrounded region... 阅读全文
posted @ 2014-04-22 15:28 Eason Liu 阅读(288) 评论(0) 推荐(0)