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Grokking the Coding Interview Patterns in JavaScript

Solution: H-Index

Understand how to calculate the h-index of a researcher by applying a counting sort method on citation counts. This lesson guides you through building frequency arrays and using reverse accumulation to find the maximum h-index value, optimizing time complexity to O(n).

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Statement

You are given an array of integers citations, where each element citations[i] represents the number of citations received for the ithi^{th} publication of a researcher.

Your task is to find the researcher’s h-index and return the value of h ...