Stack - 3 | 20. Valid Parentheses

Telegram Channel : https://t.me/ctobhaiya_tg Instagram: https://www.instagram.com/ctobhaiya Linkedin: https://www.linkedin.com/in/anuj-kumar-a-k-a-cto-bhaiya-on-youtube-9a188968 Github: https://github.com/team-codebug/babua-dsa-patterns-course Support me 🙌🏻: https://www.buymeacoffee.com/anuj.baranwal.1994 Leetcode: https://leetcode.com/problems/valid-parentheses/description/ Github Repo: https://github.com/team-codebug/leetcode Notes: https://github.com/team-codebug/leetcode/blob/main/DSA_In_90Days/12_Stacks/Stack_3_20.%20Valid%20Parentheses.svg 3 Months DSA for Placements! 🚀 Beginner to Advanced Playlist 🔢 Leetcode 20 - Valid Parentheses | Stack-Based Solution Explained In this video, we explore one of the most popular and fundamental stack problems: Valid Parentheses. You'll learn how to check for balanced brackets using a stack, a concept frequently asked in coding interviews. 🎯 What you’ll learn: Understanding the problem statement Why a stack is the ideal data structure here Handling multiple types of parentheses: (), {}, [] Efficient approach with time and space complexity analysis Live coding walkthrough in Java/Python (based on your implementation) 🧠 Perfect for beginners and those preparing for FAANG interviews! 👍 Like, 💬 Comment, and 🔔 Subscribe for more DSA explanations and interview prep! #ValidParentheses #Leetcode20 #StackDataStructure #DSA #CodingInterview #LeetcodeSolution #JavaCoding #PythonCoding #DataStructures #InterviewPreparation #CodeWithMe #TechInterview CHAPTERS 0:00 Introduction 1:56 Solution for a single type of Bracket 3:45 Why count method doesnt work here 5:12 Stack Intuition 9:03 Live Coding 12:45 Time & Space Complexity 13:16 Example Walkthrough 14:30 Conclusion =========================== ➡️ Connect with me: LinkedIn : https://www.linkedin.com/in/anuj-kumar-a-k-a-cto-bhaiya-on-youtube-9a188968 Telegram Channel : https://t.me/ctobhaiya_tg Instagram: https://www.instagram.com/ctobhaiya ===========================