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Learn Data Structures and Algorithms in C#

Problem: Longest Valid Parentheses

Explore how to determine the longest valid substring of parentheses within a given string using stack-based algorithms. Understand how to track and compute balanced parentheses efficiently with C# to enhance your string manipulation skills and solve related problems accurately.

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Statement

Given a string s consisting solely of the characters '(' and ')', determine the length of the longest valid (well-formed) parentheses substring contained within s.

A valid parentheses substring is one in which every opening parenthesis '(' has a corresponding closing parenthesis ')', and the pairs are properly nested.

Constraints:

  • 0≤0 \leq s.Length ≤3×104\leq 3 \times 10^4 ...