3Sum SOLVED! Two Pointer + Duplicate Logic Explained (Hindi+JavaScript) | 50 LeetCode Challenge (21) скачать в хорошем качестве

3Sum SOLVED! Two Pointer + Duplicate Logic Explained (Hindi+JavaScript) | 50 LeetCode Challenge (21)

My Udemy Course on JavaScript Logic Building and Coding Practice in English: https://www.udemy.com/course/javascri... Welcome to Video 21 of my series: 50 LeetCode Challenges in JavaScript (Hindi). In this series, we solve LeetCode problems from Easy to Medium to Hard with clear Hindi explanations and clean JavaScript solutions. Today’s challenge is 3Sum. This is a classic array and two-pointer interview problem where you must find all unique triplets whose sum is zero. In this video, you will learn: Why sorting is required before using two pointers How the left and right pointers work together How to avoid duplicate triplets correctly How to handle edge cases cleanly Optimized O(n²) solution explained step by step Interview-ready JavaScript implementation Who this video is for: JavaScript beginners Students preparing for coding interviews Anyone practicing LeetCode problems Learners who want clear explanations in Hindi Challenge in this video: 3Sum Medium LeetCode Problem Link: https://leetcode.com/problems/3sum/ Code Solution for this challenge: https://github.com/ashsal/javascript-... My YouTube Course on JavaScript Logic Building and Coding Practice in Hindi:    • Javascript JS Coding Practice 1 - From Bas...   My JavaScript Course on YouTube:    • Learn Javascript in Hindi   If you found this helpful, dont forget to like, comment, and subscribe for the next LeetCode challenge.