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题目:The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this:... 阅读全文
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题目:Given an array of integers, find two numbers such that they add up to a specific target number.... 阅读全文
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题目:Given a string S, find the longest palindromic substring in S. You may assume that the maximum ... 阅读全文
摘要:
题目:Implement wildcard pattern matching with support for '?' and '*'.'?' Matches any single charact... 阅读全文