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198 survey research interview questions shared by candidates

You are tasked with maximizing the efficiency of an elevator system. The behavior of the elevator is fixed when it has passengers or is picking up passengers. When it has passengers, it goes in a single direction, picking people up and dropping them off until it gets to the last stop in that direction. When someone pushes the call button, it begins moving in the direction indicated by the button pressed and behaves the same as it would with a passenger on it. Explain how you would set up this elevator system. What should the elevator do when there are no current or potential passengers? How can it minimize the distance it needs to travel to pick up the next passenger, not knowing where that passenger will be? What if you have 1 elevator for 10 floors? What if you have 3 elevators for 10 floors? What if you have 10 elevators for 10 floors? Your explanation should be high level, no need for actual code, just a basic description of behavior. (Part of the challenge is balancing detail with time management!)
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Junior Survey Applications Developer

Interviewed at Medtrak

4★
Apr 26, 2022

You are tasked with maximizing the efficiency of an elevator system. The behavior of the elevator is fixed when it has passengers or is picking up passengers. When it has passengers, it goes in a single direction, picking people up and dropping them off until it gets to the last stop in that direction. When someone pushes the call button, it begins moving in the direction indicated by the button pressed and behaves the same as it would with a passenger on it. Explain how you would set up this elevator system. What should the elevator do when there are no current or potential passengers? How can it minimize the distance it needs to travel to pick up the next passenger, not knowing where that passenger will be? What if you have 1 elevator for 10 floors? What if you have 3 elevators for 10 floors? What if you have 10 elevators for 10 floors? Your explanation should be high level, no need for actual code, just a basic description of behavior. (Part of the challenge is balancing detail with time management!)

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