Solving the Longest Valid Parentheses Problem Using Stack and Dynamic Programming

Stack-Based Index Tracking Calculating the maximum length of well-formed parenthesis substrings requires maintaining a dynamic baseline for distance measurements. A stack storing character indices provides an efficient mechanism for this. Initialize the data structure with -1 to act as a virtual boundary before the string begins. Process the in ...

Posted on Sat, 09 May 2026 00:27:25 +0000 by Kold