摘要:
Given n pairs of parentheses, write a function to generate all combinations of well formed parentheses. For example, given n = 3, a solution set is: [ 阅读全文
posted @ 2017-03-20 22:43
aiterator
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摘要:
Given a string containing just the characters '(' and ')', find the length of the longest valid (well formed) parentheses substring. For "(()", the lo 阅读全文
posted @ 2017-03-20 15:19
aiterator
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