Fun exercise. This is how far I got after about 45 minutes: https://gist.github.com/bjourne/7e45d41e8e4f5518bb92f6df7978051e https://gist.github.com/bjourne/7e4

Fun exercise. This is how far I got after about 45 minutes: https://gist.github.com/bjourne/7e45d41e8e4f5518bb92f6df7978051e https://gist.github.com/bjourne/7e45d41e8e4f5518bb92f6df7978... I wasted half the time not getting that you don't need to store the paths only the counts! But this was in my quiet home and I would probably fluke out in an interview setting where you have to talk while you code. I'm still going to consider myself a pretty good coder. Perhaps not Google material, but pretty damn good still. :)