The office of InMobi technologies has 10 floors, each with 300 employees. In the morning (7-8 AM), the building sees 3000 employees entering and waiting in a queue for 3 lifts. In the morning, everyone goes ONLY to their cubicle and nowhere else. Now, people are irritated as they have to wait for a long time for the lifts. You've been given control of the lift's algorithms (assuming a green field where you can control every practical aspect of the lift imaginable), you have to make some changes so that people are happy