What is the main signal for Heap / Priority Queue?
Practice this question from Quiz: Heap / Priority Queue, with options and an explanation.
Question
What is the main signal for Heap / Priority Queue?
Option A — Correct answer
A known interview family appears and the constraints reward the standard pattern.
Option B
The input has no constraints.
Option C
The sample output is small.
Option D
The question uses only one variable.
Explanation
Pattern choice starts from constraints and invariant.