DSA #16 | Arrays & Strings | Rotate Array Left & Right

DSA Phase-2 Arrays and Strings tutorial focusing on rotating an array to the left and right. In this video you will learn what array rotation is and how to perform left and right rotation using optimized in-place logic without using any extra array. We will explain the logic with a clear dry run, analyze time and space complexity, and assign a practice task for today. Array rotation is a very common interview problem. Topics covered in this video: --What is array rotation --Left rotation and right rotation --Optimized in-place logic (no extra array) --Step by step dry run --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 :- 01:10 – What is Array Rotation? 02:25 – Left Rotation Explained 04:05 – Right Rotation Explained 08:40 – Reverse Algorithm for Left Rotation 10:20 – Reverse Algorithm for Right Rotation 12:00 – Dry Run 13:40 – Time & Space Complexity Analysis 14:50 – Common Mistakes & Interview Expectations ⚙️ 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/) rotate array dsa, left rotate array, right rotate array, in place array rotation, dsa phase 2 arrays, array rotation interview question, time space complexity rotate array, coding interview arrays, mohit decodes dsa #dsa #arrays #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.