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Most Repeated Element
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Most Repeated Element

MediumPython

Problem

Find the most repeated element in an array.

Asked in the Round 2 stage. The expected approach uses a hashmap.

Contract

Implement most_repeated_element(array). Return the element with the greatest frequency. If multiple elements have the same greatest frequency, return the one whose first occurrence has the smallest index.

Constraints

  • 1 <= len(array) <= 10^4
  • Elements are integers
  • If frequencies tie, return the element with the smallest first-occurrence index

Function Signature

def most_repeated_element(array):
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