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| author | H.J <thechairman@thechairman.info> | 2024-10-09 11:36:55 -0400 |
|---|---|---|
| committer | H.J <thechairman@thechairman.info> | 2024-10-09 11:36:55 -0400 |
| commit | 8777ff071f7bb37631baa7b6717ad29961e50911 (patch) | |
| tree | 6d59c4ed58e454b960339c3d1151f0a879e8d7cb /aoc2022/day-25 | |
| parent | 6156a9ef7be4012063a042aafb4e9b0d7eadde8e (diff) | |
| download | gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.tar.gz gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.zip | |
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Diffstat (limited to 'aoc2022/day-25')
| -rw-r--r-- | aoc2022/day-25/day-25.rkt | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/aoc2022/day-25/day-25.rkt b/aoc2022/day-25/day-25.rkt deleted file mode 100644 index 078cef4..0000000 --- a/aoc2022/day-25/day-25.rkt +++ /dev/null @@ -1,24 +0,0 @@ -#lang racket -(require advent-of-code - threading) - -(define fuel-requirements (port->lines (open-aoc-input (find-session) 2022 25 #:cache #true))) - -(define (snafu->decimal snafu) - (for/sum ([digit (in-list (~> snafu string->list reverse))] [place (in-naturals)]) - (define value - (match digit - [#\= -2] - [#\- -1] - [c (~> c string string->number)])) - (* value (expt 5 place)))) - -(define (decimal->snafu n [acc '()]) - (match n - [0 (list->string acc)] - [n (decimal->snafu (quotient (+ n 2) 5) (cons (string-ref "012=-" (modulo n 5)) acc))])) - -;; part 1 -(~> (for/sum ([fuel (in-list fuel-requirements)]) (snafu->decimal fuel)) decimal->snafu) - -;; no part 2 メリークリスマス
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