> Just making sure I won't be working with idiots. I think the the interviewer (or company) would probably take this as an insult. But I do agree with you in

> Just making sure I won't be working with idiots. I think the the interviewer (or company) would probably take this as an insult. But I do agree with you in that these types of interview questions are pointless. Spitting back an answer verbatim demonstrates nothing. A neat approach that I've seen people use is to take a you-should-know-this concept such as the merging part of merge sort and put a twist in it, so it isn't a simple spit-the-answer-back, but different enough to require some thought.