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Description: Count the number of prime numbers less than a non-negative number, n. 阅读全文
posted @ 2016-08-29 09:17
微微程序媛
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Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longes 阅读全文
posted @ 2016-08-29 07:59
微微程序媛
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Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the leng 阅读全文
posted @ 2016-08-29 04:56
微微程序媛
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