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Grokking the Coding Interview Patterns in JavaScript

Top K Frequent Elements

Explore how to find the top K most frequent elements in an array of integers. This lesson helps you understand problem constraints, apply logical building blocks, and implement an efficient solution in JavaScript.

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Statement

Given an array of integers, arr, and an integer, k, return the kk most frequent elements.

Note: You can return the answer in any order.

Constraints:

  • 11 ≤\leq
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