3 Commits

Author	SHA1	Message	Date
Stefan Harmuth	5accf0f63b	day19: lean on the solution for p2 and split the checks in two (much!) smaller lists -> from 1.1s down to 8ms	2020-12-19 09:44:25 +01:00
Stefan Harmuth	80a918cd69	day19: converting to a set() first makes the lookups faster	2020-12-19 09:35:41 +01:00
Stefan Harmuth	0a1fcb9ed9	day19: raw version	2020-12-19 09:02:46 +01:00