Least frequent element in an array

Given an array of N elements, our task is to find the least frequent element present in it. There are many ways to do this. In this article, we are going to talk about 3 of those methods along with their implementation.

Table of Contents

Different ways to find the least frequent element in an arrayNaive AlgorithmOptimized algorithm with array sortingOptimized algorithm with mappingDifferent ways to find the least frequent element

We are going to be exploring three methods through which we ...