Next Greater Element using Stack

Table of contents:Problem statementBrute Force approachApproach using StackReal World examples.PROBLEM STATEMENT

Given an array of integers, arr, of length N. The task is to find the Next Greater Element (NGE) for each element in the array. We will solve this problem completely in this OpenGenus article.

For a given element arr[i], the Next Greater Element is the first element to the right of arr[i] that is greater than arr[i]. If there is no such element, the Next Greater Element for tha...