DSA #13 | Arrays & Strings | Reverse an Array using Two Pointers

DSA Phase-2 Arrays and Strings tutorial focusing on reversing an array using the Two Pointer technique. In this video you will learn the concept of array reversal and how to implement it using an optimized Two Pointer approach. We will walk through step-by-step logic with a dry run, analyze time and space complexity, discuss interview expectations, and assign a practice task for today. Topics covered in this video: --Array reverse concept --Two Pointer technique explained --Step by step dry run --In-place reverse logic --Time complexity analysis --Space complexity analysis --Interview expectations --Today’s practice task This video is useful for DSA beginners, students, freshers, and interview preparation. ⏱️ Key Video Timestamps :- 0:08 – What is reversing an array & why it’s asked in interviews 0:42 – Problem statement 1:01 – Example: Input [1,2,3,4] → Output [4,3,2,1] 1:19 – Logic thinking 1:59 – Two Pointer technique 5:05 – Dry run explained 6:28 – Time and Space Complexity 6:48 – Interview expectations & common mistakes ⚙️ Tech Used and Code JavaScript, VS Code and Terminal 👉 *GitHub Code Link* - https://github.com/mohitdjcet/nextJS-Tutorial 📂 *Playlist Links:* - JavaScript Full Course Video (Hindi): https://youtu.be/moRFcW7xayc - React 19 Full Course Video (Hindi): https://youtu.be/cHIn7PUAxlg - Angular 21 Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1LTrYY6_FMpx6cqmjuPdoo2 - Python Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1Ja-GuGvkiPqmE3RGYP4lnI - Django Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1K_glKX0lG6BkviJFxjuGls - NodeJS Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1Lv7wu42U1Z-_Omh-pcjsUv - Git and GitHib Copilot Full Course Video (Hindi): https://youtu.be/hebwERejgI4 🔗 *Follow Me for Updates:* - TopMate:[Connect with Me](https://topmate.io/mohitdecodes) - WhatsApp:[Connect with Me](https://whatsapp.com/channel/0029Vb6CABUIHphQqGRYP71u) - Instagram: [Connect with Me](https://www.instagram.com/mohit_decodes/) - Facebook: [Connect with Me](https://www.facebook.com/mohitdecode/) - LinkedIn: [Connect with Me](https://www.linkedin.com/in/mohitdecodes/) - GitHub: [Explore My Projects](https://github.com/mohitdjcet/) reverse array two pointer, array reverse dsa, two pointer technique dsa, dsa phase 2 arrays, in place array reverse, time space complexity reverse array, array interview questions, coding interview arrays, mohit decodes dsa #dsa #arrays #twopointers #codinginterview #interviewpreparation #programming #learncoding #developers #mohitdecodes --- Copyright Notice: © Mohit Decodes. All rights reserved. Unauthorized reproduction or distribution of this content is prohibited. For permissions, contact via LinkedIn or email.