[chrismsnz]

> And yet the OP was turned down for not being able to invert a binary tree

Your source is a series of salty tweets.

[falcolas]

Well, for what it's worth, it's all we have to go on at the moment.

And in either case, my original comment was directed at the idea that "algorithmic interviews provide false negatives, but not false positives".

[hyperpape]

It's something that trips me up constantly, but we don't have to say anything. If there's not enough to go on, we can just be quiet.