Daily LeetCode Problem 20 | The Stack Trick That Makes Valid Parentheses | 01/10/26

LeetCode 20 — Valid Parentheses explained using a simple Stack approach. In this video, we break down how to validate (), {}, and [] by using the Last In, First Out property of a stack. We’ll cover: Intuition behind the stack How to match opening and closing brackets Why the order matters Handling invalid brackets C++ solution Time and space complexity If you find this solution useful, like the video and subscribe for more LeetCode and software engineering content. EdgeCaseOffByOne:    / @edgecaseoffbyone   #LeetCode #LeetCode20 #ValidParentheses #DSA #Stack #CodingInterview #Cpp #Programming