Longest Valid Parentheses leetcode java
題目： Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring. ...
原文：Valid Parentheses leetcode java
題目： 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. 題解： 這道題是一道很常見的 ...
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