I high school I went to extra lessons in physics. The teacher gave out a problem that he said it had a simple end result but he never seen an elegant way to solve it. An other guy the next class solved it with one really well designed figure and like three line of simple equations, it was awesome. I know he was a slow thinker, he wasn't really good at timed competitions However there was a competition where you had to solve problems from a journal monthly and send them back, he was really good at it.