> The only mistake the OP made was in acting like they hadn’t seen the question before This. Everyone in the thread is claiming no wrongdoing on the part of th

> The only mistake the OP made was in acting like they hadn’t seen the question before This. Everyone in the thread is claiming no wrongdoing on the part of the author. If I was in this position, I would excitedly inform the interviewer that I had seen the question before and then quickly write down the answer. But that would look be a lot less impressive than OP’s acting as he pretended to come up with the perfect answer on the fly.