In two interviews with G, separated by 5 years, the same 'hard' programming problem came up both times. I answered it badly the first time, then did a bit if re

In two interviews with G, separated by 5 years, the same 'hard' programming problem came up both times. I answered it badly the first time, then did a bit if research after that interview, and was fully ready to expound on it in the later one. It would be really embarrassing to get tripped up on the same question twice.