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摘要: First Bad VersionYou are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fa... 阅读全文
posted @ 2015-09-07 21:11 Eason Liu 阅读(261) 评论(0) 推荐(1) 编辑
摘要: Missing RangesGiven a sorted integer array where the range of elements are [lower,upper] inclusive, return its missing ranges.For example, given[0, 1,... 阅读全文
posted @ 2015-09-07 13:07 Eason Liu 阅读(187) 评论(0) 推荐(0) 编辑
摘要: Find the CelebritySuppose you are at a party withnpeople (labeled from0ton - 1) and among them, there may exist one celebrity. The definition of a cel... 阅读全文
posted @ 2015-09-06 13:11 Eason Liu 阅读(7136) 评论(0) 推荐(0) 编辑
摘要: Longest Substring with At Most Two Distinct CharactersGiven a string, find the length of the longest substring T that contains at most 2 distinct char... 阅读全文
posted @ 2015-09-06 11:37 Eason Liu 阅读(177) 评论(0) 推荐(0) 编辑
摘要: Read N Characters Given Read4The API:int read4(char *buf)reads 4 characters at a time from a file.The return value is the actual number of characters ... 阅读全文
posted @ 2015-09-06 11:33 Eason Liu 阅读(588) 评论(0) 推荐(0) 编辑
摘要: Meeting RoomsGiven an array of meeting time intervals consisting of start and end times[[s1,e1],[s2,e2],...](si& intervals) {13 sort(intervals... 阅读全文
posted @ 2015-09-06 11:29 Eason Liu 阅读(352) 评论(0) 推荐(0) 编辑
摘要: Graph Valid TreeGivennnodes labeled from0ton - 1and a list of undirected edges (each edge is a pair of nodes), write a function to check whether these... 阅读全文
posted @ 2015-09-06 11:17 Eason Liu 阅读(518) 评论(0) 推荐(0) 编辑
摘要: Palindrome PermutationGiven a string, determine if a permutation of the string could form a palindrome.For example,"code"-> False,"aab"-> True,"carera... 阅读全文
posted @ 2015-09-06 11:12 Eason Liu 阅读(908) 评论(0) 推荐(0) 编辑
摘要: Encode and Decode StringsDesign an algorithm to encodea list of stringstoa string. The encoded string is then sent over the network and is decoded bac... 阅读全文
posted @ 2015-09-06 11:08 Eason Liu 阅读(1429) 评论(0) 推荐(0) 编辑
摘要: Paint FenceThere is a fence with n posts, each post can be painted with one of the k colors.You have to paint all the posts such that no more than two... 阅读全文
posted @ 2015-09-06 11:01 Eason Liu 阅读(1140) 评论(0) 推荐(0) 编辑
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