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Solution: H-Index

Explore how to determine a researcher's h-index by utilizing a counting sort-based approach. Understand how to use a frequency array to count citation occurrences efficiently and find the highest h-index without fully sorting the data. This lesson guides you through implementing this O(n) time complexity solution alongside analyzing its space requirements.

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 ...