3 Commits

Author	SHA1	Message	Date
Bruno Raoult	ea530e7d8d	2019 day 4, minor is_valid() simplification	2022-09-20 19:57:27 +02:00
Bruno Raoult	2694f8d4d0	2019 day 4, parts 1 and 2	2022-09-20 19:22:13 +02:00
Bruno Raoult	f9a80239b4	2019 day 4 init	2022-09-20 13:55:15 +02:00