3Sum Explained Simply! | Step-by-Step JavaScript Coding Interview Solution скачать в хорошем качестве

3Sum Explained Simply! | Step-by-Step JavaScript Coding Interview Solution

Welcome to Mastering 3Sum, the ultimate beginner-friendly JavaScript tutorial that explains how to find all unique triplets in an array that sum to zero — in a simple, visual way! 💡 What You’ll Learn: The logic behind the 3Sum problem From brute-force to optimized solution Sorting and two-pointers explained clearly Real examples, visuals, and easy narration Efficient code you can use in interviews 🔥 Why Watch: 3Sum is one of the most popular coding interview questions. Mastering it teaches you patterns you’ll reuse in other challenges like “Two Sum,” “4Sum,” and “3Sum Closest.” 🧠 Topics Covered: Arrays and indices in JavaScript Sorting logic Handling duplicates Time complexity (O of n squared) explained simply 📘 Chapters: 00:00 – Introduction 00:35 – What is the 3Sum Problem 02:20 – Why It Matters 03:15 – Brute Force Approach 04:40 – The Optimized Two Pointer Approach 06:00 – Full JavaScript Code Explained 09:00 – Example Walkthrough 11:00 – Key Takeaways and Next Steps Connect: 📺 Watch the previous tutorial: Two Sum Explained Simply → [link to Two Sum video] 📬 Subscribe for more JavaScript problem-solving videos every week. #JavaScriptTutorial #CodingInterview #3Sum #LearnToCode #ProblemSolving