Rank vs Dense_Rank

MediumPython

Problem

What is the difference between RANK and DENSE_RANK?

Asked in the Conceptual questions stage. Implement both ranking rules for a list of integer scores, ordered from highest to lowest.

Input and Output

Given scores, return a dictionary with rank and dense_rank arrays. Equal scores receive equal positions. RANK leaves gaps after ties, while DENSE_RANK does not.

Constraints

1 <= len(scores) <= 10^5
Scores are integers from -10^9 through 10^9

Function Signature

def rank_scores(scores):

CodePython 3

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