[koolba]

Bingo.

"Well I'm not sure I can pick just one as the "hardest", but one very interesting problem that ended with an elegant solution was ..."

And you fill in the ... with a tale of you slaying a dragon^W prod issue with just your wits and a default .vimrc.

[ruleabidinguser]

I don't know why this has to be framed as a manipulative 'politicians' move, this is just being honest and helpful like you ought to be.