Which optimized heap pattern solves this lesson cleanly?
Practice this question from Top K Frequent Elements - Frequency Heap Pattern Practice Quiz, with options and an explanation.
Question
Which optimized heap pattern solves this lesson cleanly?
Option A — Correct answer
Frequency map plus size-k min-heap.
Option B
Plain nested loops without ordering
Option C
Hash set lookup only
Option D
Binary search on unsorted input
Explanation
Frequency map plus size-k min-heap.