摘要：
Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. The brackets must close in the 阅读全文
posted @ 2017-06-14 21:38
NaiveCoder
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摘要：
Given an array of strings, group anagrams together. For example, given: ["eat", "tea", "tan", "ate", "nat", "bat"], Return: Note: All inputs will be i 阅读全文
posted @ 2017-06-14 19:30
NaiveCoder
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摘要：
The count-and-say sequence is the sequence of integers with the first five terms as following: 1 is read off as "one 1" or 11.11 is read off as "two 1 阅读全文
posted @ 2017-06-14 19:02
NaiveCoder
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