I think you misunderstood. Regardless of what the blog post said, this was a one–hour exercise, not a three–hour project. https://news.ycombinator.com/item?id=3

I think you misunderstood. Regardless of what the blog post said, this was a one–hour exercise, not a three–hour project. https://news.ycombinator.com/item?id=31065845 https://news.ycombinator.com/item?id=31065845 I agree with you that interviews which incorporate a larger project that takes multiple hours are usually a waste of time. Usually the project turns out to be too unfocused and too subjectively judged to provide useful information about the candidates. I spent four hours on one once where the only feedback I got was that my solution “wasn’t object oriented enough.”