3Sum | LeetCode Interview Question | Sorting + Two Pointers Explained in Java скачать в хорошем качестве

3Sum | LeetCode Interview Question | Sorting + Two Pointers Explained in Java

Day 10/150 – LeetCode 150 Interview Questions Series (Java) In this video, we solve the “3Sum” problem — one of the most important LeetCode interview questions — using an optimized sorting and two-pointer approach in Java. This problem is part of the official LeetCode 150 Interview Questions list and is frequently asked in FAANG and product-based company interviews. 🔹 Problem: 3Sum (LeetCode #15) 🔹 Language: Java 🔹 Topic: Arrays, Sorting, Two Pointers 🔹 Difficulty: Medium 🔹 Interview Level: FAANG / Product Companies 📌 In this video, you will learn: ✔ Why brute force fails for 3Sum ✔ How sorting helps avoid duplicate triplets ✔ How to reduce 3Sum to a Two Sum problem ✔ Step-by-step Java implementation ✔ How to correctly skip duplicates ✔ Time and space complexity analysis ✔ Important interview tips and pitfalls The optimized solution runs in O(n²) time and is the expected approach in technical interviews. 📂 LeetCode 150 Interview Questions Playlist: (Add your playlist link here) 📺 What’s next? Day 11: Container With Most Water | LeetCode Interview Question 📚 This series is perfect for: • Coding interview preparation • FAANG interview aspirants • Learning DSA in Java • LeetCode practice with clear explanations 👍 If this video helped you, like the video and subscribe to Code Silica for daily LeetCode interview questions. 🔔 Turn on notifications so you don’t miss Day 11. #LeetCode #3Sum #Java #DSA #TwoPointers #CodingInterview #CodeSilica