Post:
You have three switches in one room and a single light bulb in another room. You are allowed to visit the room with the light bulb only once. How do you figure out which switch controls the bulb? Write your answer in the comments before looking at other answers.
Comment:
If this were an interview question, the correct response would be "Do you have any relevant questions for me? Because have a long list of things that more deserving of my precious time than to think about this!


I’ve had a couple interview tasks that are like “clone this repo and run it. Try to do [action]. Tell us any errors you find and how to fix them”
One of them was some sort of redux app, and the problem was a state mutation. Another one, the CSS had some weird so stuff rendered crazy. Both were pretty easy to track down and fix. You could probably also do something that’s like an error thrown, but people would probably just feed that into an AI now.