Coding

Top K Frequent Elements

Find the top K frequent elements in an array.

Input: nums = [4,4,4,4,5,5,6], k = 1

Output: [4]

Explanation: The number 4 appears four times, easily making it the single most frequent element in the data structure.

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2 answers published. Last candidate submission on Sep 9 2026, 5:46am PDT. Interview question asked to Software Engineers interviewing at Juniper Networks, Eruditus, ADP and other companies. Original question asked: Top K Frequent Elements. Question last reported by a candidate interviewing at Guild Education for a Software Engineer interview on Oct 6 2026, 4:24am PDT.