[Leetcode] Longest Valid Parentheses
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. ...
原文：[LeetCode] Valid Parentheses
Given a string containing just the characters , , , , and , determine if the input string is valid. The brackets must close in the correct order, and are all valid but and are not. 利用一個棧來保存前括號，然后有后括號來 ...
2012-11-18 11:54 0 3830 推薦指數：
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