4 commits

Author	SHA1	Message	Date
Nick Krichevsky	3bc2e2d028	Clean up day 20 part 2	2019-12-24 00:07:15 -05:00
Nick Krichevsky	0c8a66f227	Add (messy) solution to day 20 part 2	2019-12-24 00:06:15 -05:00
Nick Krichevsky	689eab4f2c	Refactor day 20 part 1 to use a graph of just the portals	2019-12-24 00:06:15 -05:00
Nick Krichevsky	b27ce1cb7e	Add day 20 part 1	2019-12-24 00:06:15 -05:00