Medium
Quiz
#347 Top K Frequent Elements
APPROACH
Given an integer array nums and an integer k, return the k most frequent elements. You may return the answer in any order.
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What is the optimal approach for this problem?
#347 Top K Frequent Elements
APPROACH
Given an integer array nums and an integer k, return the k most frequent elements. You may return the answer in any order.
What is the optimal approach for this problem?