2 Sum Closest: Find 2 elements with sum closest to target

We have explained how to solve the 2 Sum Closest problem that is Find 2 elements with sum closest to a target efficiently. We have explained 3 different approaches which involves the use of Binary Search and Two Pointer technique.

Table of ContentsIntroductionApproach 1 - Brute ForceApproach 2 - Binary SearchApproach 3 - Two PointersOverview

Prerequisites: Two Pointer Technique, Binary Search

Introduction

In this article we will cover the basis of the 2 sum closest problem and different a...