DSA #15 | Arrays & Strings | Remove Duplicates from Array

DSA Phase-2 Arrays and Strings tutorial focusing on removing duplicates from an array. In this video you will learn the concept of removing duplicate elements and implement optimized approaches commonly used in interviews. We will go through step-by-step dry run, analyze time and space complexity, discuss interview expectations, and assign a practice task for today. Topics covered in this video: --Remove duplicates concept --Optimized approaches for removing duplicates --Step by step dry run --Time complexity analysis --Space complexity analysis --Common interview expectations --Today’s practice task This video is useful for DSA beginners, students, freshers, and interview preparation. ⏱️ Key Video Timestamps :- 0:00 – Introduction 0:40 – Problem statement 3:45 – Optimized approach (using Set / two pointers) 5:10 – Step-by-step dry run 6:40 – Time & Space Complexity explanation 7:40 – 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/) remove duplicates from array, array remove duplicates dsa, optimized duplicate removal array, dsa phase 2 arrays, remove duplicates interview question, time space complexity array duplicates, coding interview arrays, array problems beginners, 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.