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by tiagobraw 4612 days ago
Once I failed at a google interview... I got 2 answers right but I couldn't answer a third math related question (because the time was over).

The recruiter asked me what was the maximum number of edges on a graph without cycles.

When I was on my way home (in a bus) I had this "a-ha" moment.

Well, they lost a great computer scientist in their team! :P