2014年6月30日

Word Ladder
摘要： Given two words (startandend), and a dictionary, find the length of shortest transformation sequence fromstarttoend, such that:Only one letter can be ... 阅读全文
posted @ 2014-06-30 13:59 青椰子 阅读(164) 评论(0) 推荐(0)
Word Break/Word Segment
摘要： Given a stringsand a dictionary of wordsdict, determine ifscan be segmented into a space-separated sequence of one or more dictionary words.For exampl... 阅读全文
posted @ 2014-06-30 12:47 青椰子 阅读(221) 评论(0) 推荐(0)
Longest Palindromic Substring
摘要： Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa... 阅读全文
posted @ 2014-06-30 10:16 青椰子 阅读(141) 评论(0) 推荐(0)
Evaluate Reverse Polish Notation
摘要： Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express... 阅读全文
posted @ 2014-06-30 08:13 青椰子 阅读(132) 评论(0) 推荐(0)

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