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So the modified algorithm will be as follows. When the user clicks elevator, it first sends a distributed query to all browsers and each browser replies with 0, if elevator is not being used, or 1 when it is used. After the polling is done, it sums all responses. If sum_resp_elev<8:move() else Ring_alarm()

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Nope. When you're at the bottom of the page, you should first have to call the elevator. Then it should stop at all those levels at which other people have also called it before coming to your position. Then you get a chance to be kicked out for being overweight.

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