Challenge: Next Greater Element Using a Stack
Explore how to implement the Next Greater Element function for an array of integers using a stack. This lesson helps you understand stack operations to identify the next greater number for each element, enhancing your coding skills in C++ for interview preparation.
We'll cover the following...
We'll cover the following...
Statement
Implement a NextGreaterElement() function that takes an array of integers, arr, as input and returns the next greater number for every element in the array.
The next greater number for a number arr[i] is the first number to its right that is greater than arr[i]. If no such number exists, return -1 for this number.
Constraints: