I tend to say, and this has not worked well for me, "Uh, I would google it, and see what other people have done, and learn from their experiences, and either use their license appropriate code, and or their knowledge and experience and consider that and how it would fit into our architecture and start from there".

Because that's how I engineer. I try to stand on the shoulders of others. And Google provides such an excellent step-stool.

But as I've said, that doesn't seem to go over well.

Implement your favorite sort algorithm? I don't know that algorithm, I tend to use the sort algorithm that comes along with the libraries of the language I am using on the assumption that a) it's good enough until proven otherwise, b) it's well implemented and mostly bug free by the language designers, and c) schedule is paramount, the most bummed out, tweaked out, sort is not.