Leetcode Problem 274. H-Index

274. H-Index

Leetcode Solutions

Counting Sort Approach for Calculating H-Index

  1. Initialize an array paperCounts with a size of n + 1 to count the number of papers for each citation number, where n is the length of the input citations array.
  2. Iterate over the citations array, and for each citation count, increment the corresponding index in the paperCounts array. If the citation count is larger than n, increment the last index of paperCounts.
  3. Initialize a variable totalPapers to keep track of the cumulative sum of papers from the end of the paperCounts array.
  4. Iterate over the paperCounts array in reverse. For each index i, add the count at paperCounts[i] to totalPapers.
  5. If totalPapers becomes greater than or equal to the index i, return i as the h-index.
  6. If the loop completes without returning, return 0 as the h-index.
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Sorting Approach for Calculating H-Index

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