摘要：
描述Implement regular expression matching with support for '.' and '*'.'.' Matches any single character. '*' Matches zero or more of the preceding eleme 阅读全文
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描述Given a string S, find the longest palindromic substring in S. You may assume that the maximumlength of S is 1000, and there exists one unique longe 阅读全文
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描述Given two binary strings, return their sum (also a binary string).For example, a = "11" b = "1" Return ”100” 分析 无 代码 方法二 阅读全文
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描述Implement atoi to convert a string to an integer.Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below 阅读全文
摘要：
KMP算法 字符串的快速匹配 阅读全文