Fizzbuzz or string reverse aren't something to remember. They are small logic puzzles that programmers should be able to easily figure out in an interview, even

Fizzbuzz or string reverse aren't something to remember. They are small logic puzzles that programmers should be able to easily figure out in an interview, even if they have never heard of them. Unless, perhaps, the candidate gets so stressed that they lock up and fail to think straight, which is of course totally plausible.