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Explore 4 Sum Problem | Optimal Approach | DSA Series by Shradha Ma'am with 128,322 views, 3,082 likes, and 289 comments. Experience the impact of this video content that has captured audience attention.

4 Sum Problem (Leet code 18) : This is Lecture 39 of DSA Placement Series. Hashing Problems - Part 3. Want to study for Tech Placements/Internships from us : Our Latest Placement Batches : https://linktr.ee/apnacollege.in Company wise DSA Sheet Link : https://docs.google.com/spreadsheets/d/1mvlc8EYc3OVVU3X7NKoC0iZJr_45BL_pVxiJec0r94c/edit?usp=sharing New DSA Sheet : coming soon! Share your progress on Twitter : https://x.com/ShradhaKhapra_ DSA Series full playlist : https://www.youtube.com/playlist?list=PLfqMhTWNBTe137I_EPQd34TsgV6IO55pt Timestamps 00:00 Introduction 00:36 4Sum Problem 02:28 Optimal Approach 12:31 Code 15:00 Optimizations to remove duplicates 20:55 Time & Space Complexity Shradha Ma'am community Instagram : https://www.instagram.com/shradhakhapra LinkedIn : https://www.linkedin.com/in/shradha-khapra/

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