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Java: Which statement about Deque for Sliding Window Maximum is the strongest interview answer?

Difficulty:

Easy

Questions:

1

Time Limit:

2 minutes

Passing Score:

100%

Question

Which statement about Deque for Sliding Window Maximum is the strongest interview answer?

  1. Deque for Sliding Window Maximum is mostly a naming style choice and has little effect on runtime or design.
  2. Deque for Sliding Window Maximum exists mainly to reduce the number of Java files in a project.
  3. Deque for Sliding Window Maximum matters only for frontend frameworks, not for core Java applications.
  4. A monotonic deque maintains window candidates so the current maximum or minimum is always available at one end.

Hint

Start with the core rule behind Deque for Sliding Window Maximum.

Answer and rationale

Correct answer: D. A monotonic deque maintains window candidates so the current maximum or minimum is always available at one end.

A monotonic deque maintains window candidates so the current maximum or minimum is always available at one end. This is the base concept interviewers commonly test first.

Track: Java