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An important concept in computer science that refers to first element on the right side of a given element that is greater than that element in the array. In case no greater element exists, next greater element is considered as -1.
Given an array A[], find the next greater element G[i] for every element A[i] in the array. For elements that don't have a greater element, consider the next greater element as -1.
Get the job done with a straightforward approach. This method solves the problem by using two nested loops and finding the first element to the right that's greater than each element A[i].Ready to see how it works? Check out the algorithm!
Ready for a smarter and faster approach to finding the next greater element? Say hello to the Stack method that solves the problem with ease and speed!
Push the first element of the array into the stack, iterate through all elements from 1 to N - 1. If the current index value < value at top of stack, push it. And, if the value is greater, pop remaining elements.