My solution to part two was a bit different, I sto...

# advent-of-code

[todd.ginsberg]

My solution to part two was a bit different, I stored off all the nodes I'd seen previously (because they'll only ever show up in one group) and it turned out about 6x faster. But I only really did it that way because I wanted to write about it.

[menegatti]

I thought about doing something like this but I didn’t know how to make it “backtrack” and check the list of nodes seen again

[menegatti]

Completely forgot about sequence

[menegatti]

very neat solution