README_EN.md

32. Longest Valid Parentheses

Description

Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.

Example 1:

Input: "(()"

Output: 2

Explanation: The longest valid parentheses substring is "()"

Example 2:

Input: ")()())"

Output: 4

Explanation: The longest valid parentheses substring is "()()"

Solutions

Python3

Java

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