It only happens in a minority of companies, ignore them and you'll be fine. I haven't done a difficult whiteboard puzzle in years now (sometimes companies do ve

It only happens in a minority of companies, ignore them and you'll be fine. I haven't done a difficult whiteboard puzzle in years now (sometimes companies do very easy coding problems to basically see how you think and check if you're not a fraud I guess? - they require no studying and thus I'm fine with them).