DSA Strings Revision #2 🚀 | Two Pointer Pattern Problems

In this video, we cover the Two Pointer Pattern — one of the most important DSA concepts to solve problems like 2Sum, 3Sum, and 4Sum efficiently 🚀 Practice Ques : https://docs.google.com/document/d/1ntq60fnLjN8DLsB7qPtDvN-_THtXVtQBCtq3KWjmdAo/edit?usp=sharing If you’re struggling with DSA or coding interviews, this pattern will help you solve 50+ problems using one simple idea instead of memorizing solutions. This session is part of my DSA + Interview Preparation journey and is helpful for both students and working professionals. 📌 What you’ll learn: Two Pointer Technique (Left–Right & Fast–Slow) How to solve 2Sum in O(n) How 2 Pointer extends to 3Sum & 4Sum Pattern recognition for coding interviews Common mistakes to avoid 🧠 Why this video matters: Most coding interview problems are pattern-based. Once you understand this pattern, many problems become EASY. 👩‍💻 About This Channel I’m Jasmeen Kaur, a Software Engineer at Amazon, helping students and professionals grow through FREE guidance and structured DSA learning. 📄 Live Resume Reviews 👨‍💻 1-1 Career & Tech Guidance 📚 Daily Live DSA Sessions & Coding Challenges 🔗 Follow Me on Social Media LinkedIn: https://www.linkedin.com/in/jasmeen-kaur-a62301212/ Instagram: https://www.instagram.com/its.jasmeen.kaurr/ X: https://x.com/JasmeenSyali 📂 Playlists 🎯 90 Days Coding Challenge: https://www.youtube.com/watch?v=DyVfA0aiRvc&list=PLpybS36R1GLVEI2lj7HSSX58TZB2cApCa 🌳 Recursion Playlist: https://www.youtube.com/watch?v=mGPDrtScOyA&list=PLpybS36R1GLXgKTlEQiNzXEpSECMa5vPi 🌲 Tree Playlist: https://www.youtube.com/watch?v=tZ_Oc8QLN-4&list=PLpybS36R1GLWlSKjPeXRO2ovZQvjsdSlx #TwoPointer #DSAPatterns #2Sum #3Sum #4Sum #CodingInterview #LeetCode #SoftwareEngineering #Amazon #DSA #Coding #TechCareer --------------------------------------------------