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Grokking the Coding Interview Patterns

Top K Frequent Elements

Understand how to identify the top K frequent elements in an integer array by leveraging heaps, a key coding interview pattern. Learn to implement solutions efficiently while considering constraints and uniqueness, helping you solve related interview problems with confidence.

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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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