Solution of The Three Switch Problem

You turn on a switch and leave it on for a while.
Then you turn it off, you turn on another and you immediately enter the room. If the light is on the switch connected is obviously the last one operated; if the light is off and the bulb is hot the switch connected is the first operated, which remained on for a while. Otherwise the right switch is the third one you haven’t touched yet.

Parliamo di noi – Medley by Artificial Intelligence

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