🔥 LeetCode 3Sum Closest Problem | Step by Step Explanation
Problem Link: https://leetcode.com/problems/3sum-closest/
In this video, we solve the LeetCode 3Sum Closest problem using an efficient Two Pointer + Sorting approach. You will learn how to find three numbers whose sum is closest to a given target in a clean and optimized way.
✅ What you’ll learn in this video:
🔹 How the Two Pointer technique works for 3Sum Closest
🔹 Why sorting is essential before applying the algorithm
🔹 How to update the closest sum correctly
🔹 Step-by-step dry run for better understanding
🔹 How left & right pointers move logically
🔹 Time & space complexity explanation
🔹 Common mistakes beginners make
This tutorial is designed to make the logic easy, clear, and interview-ready. Perfect for understanding one of the most important patterns in DSA: Two Pointer Technique.
🎯 Perfect for:
DSA beginners
LeetCode problem solvers
Coding interview preparation
Students learning algorithm patterns
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