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Grokking the Coding Interview Patterns in C#

Solution: H-Index

Explore how to calculate the h-index of a researcher by transforming citation counts into a frequency distribution. Understand the counting sort method and how to iteratively find the highest h-index by accumulating papers meeting specific citation thresholds.

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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 hh.

Note: The h-index is defined as the highest number hh such that the given researcher has published at least hh papers, each of which has been cited at least hh times.

Constraints:

  • n==n == citations.length

  • ...