Design a controller for multiple elevators that accepts hall and cabin requests, schedules cars, models movement and doors safely, and supports replaceable dispatch policies.
Design a multi-elevator system that handles hall calls and cabin floor selections, dispatches requests to appropriate cars, and models movement, stops, and door operation safely.
Work in the provided coding workspace while explaining your decisions to the live interviewer. Validation may use inline tests, examples, comments, or a verbal walkthrough.
Practice this problem in the live coding workspace while the interviewer probes your clarification, implementation, trade-offs, and validation.
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