>All of them were on combinatorics/algorithms As far as combinatorics specifically is concerned, it seems to be a special case in people's abilities. I know ma

>All of them were on combinatorics/algorithms As far as combinatorics specifically is concerned, it seems to be a special case in people's abilities. I know many highly intelligent people who fail to do simple reasoning in combinatorics. I've noticed it's a common intellectual blind spot which doesn't say much about someone's other abilities.