java.lang.Object
g0001_0100.s0032_longest_valid_parentheses.Solution

public class Solution extends Object
32 - Longest Valid Parentheses\. Hard Given a string containing just the characters `'('` and `')'`, find the length of the longest valid (well-formed) parentheses substring. **Example 1:** **Input:** s = "(()" **Output:** 2 **Explanation:** The longest valid parentheses substring is "()". **Example 2:** **Input:** s = ")()())" **Output:** 4 **Explanation:** The longest valid parentheses substring is "()()". **Example 3:** **Input:** s = "" **Output:** 0 **Constraints:** * 0 <= s.length <= 3 * 104 * `s[i]` is `'('`, or `')'`.
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • longestValidParentheses

      public int longestValidParentheses(String s)