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| author | J.J <thechairman@thechairman.info> | 2023-12-20 10:59:43 -0500 |
|---|---|---|
| committer | J.J <thechairman@thechairman.info> | 2023-12-20 10:59:43 -0500 |
| commit | d6dcedef417bea0aaa19ed4591fb4521e327ee2c (patch) | |
| tree | c6620b44c0b59f6b687ac4d2e0860029463d4371 /aoc2023-other/day-20/day-20.rkt | |
| parent | 98bd2394894ade445d4aa6e81fee95b4eb3e6140 (diff) | |
| download | gleam_aoc-d6dcedef417bea0aaa19ed4591fb4521e327ee2c.tar.gz gleam_aoc-d6dcedef417bea0aaa19ed4591fb4521e327ee2c.zip | |
day 20 racket complete
Diffstat (limited to 'aoc2023-other/day-20/day-20.rkt')
| -rw-r--r-- | aoc2023-other/day-20/day-20.rkt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/aoc2023-other/day-20/day-20.rkt b/aoc2023-other/day-20/day-20.rkt index 890abc1..eccdd91 100644 --- a/aoc2023-other/day-20/day-20.rkt +++ b/aoc2023-other/day-20/day-20.rkt @@ -132,6 +132,7 @@ ;; part 2 ;; rx receives a tone from gh, which receives four tones itself ;; those tones arrive on regular synced cycles so it's just the LCM of those cycle lengths +;; and since those cycle lengths are prime, it reduces to the product of the lengths ;; this is a really hacky mutable solution, I'm sure there's better ways of flagging these cycles ;; from the data -- the four conjunctions that indirectly feed rx |