Your question is Elevator System Design. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Design an elevator system with n elevators and m floors, including classes, structures, functions, properties, and class diagrams
Asked in the Design and OOP stage. Treat this as a practical object-oriented design exercise. Explain your assumptions and show how requests are assigned, elevators move, doors operate, and system state is represented.