4 Array Sum equal to Zero (4Sum II)

Reading time: 25 minutes | Coding time: 20 minutes

In this article, we have explored insightful approaches / algorithms to find elements in 4 arrays whose sum is equal to zero. This is an extension of 4 SUM PROBLEM.

CONTENTS OF THE ARTICLE:Pre-requisitesProblem Statement DefinitionSolution AnalysisMethod 1: Naive approachMethod 2: Applied Binary SearchMethod 3: Sorting and Two-pointer approachMethod 4: Extended two-pointer approachMethod 5: Hashing Based SolutionApplications

PRE-REQ...