3 commits

Author	SHA1	Message	Date
Adam Millerchip	c6a64056c6	small simplification	2020-12-08 12:40:27 +09:00
Adam Millerchip	dbf14680ba	Tree -> DAG	2020-12-08 01:49:07 +09:00
Adam Millerchip	6144ba6159	Day 7 Parts 1 and 2	2020-12-07 18:25:31 +09:00