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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 /aoc2020/day-03 | |
| parent | 6156a9ef7be4012063a042aafb4e9b0d7eadde8e (diff) | |
| download | gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.tar.gz gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.zip | |
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Diffstat (limited to 'aoc2020/day-03')
| -rw-r--r-- | aoc2020/day-03/day-03.rkt | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/aoc2020/day-03/day-03.rkt b/aoc2020/day-03/day-03.rkt deleted file mode 100644 index ee9edcf..0000000 --- a/aoc2020/day-03/day-03.rkt +++ /dev/null @@ -1,16 +0,0 @@ -#lang racket -(require "../../jj-aoc.rkt" - threading) - -(define (check-for-trees run rise) - (for*/sum ([(row i) (in-indexed (port->lines (open-day 3 2020)))] - #:when (= 0 (modulo i rise)) - [possible-tree (in-value (sequence-ref (in-cycle row) (* (/ run rise) i)))] - #:when (and (char=? possible-tree #\#))) - 1)) - -;; part 1 -(check-for-trees 3 1) - -;; part 2 -(~>> '((1 1) (3 1) (5 1) (7 1) (1 2)) (map (curry apply check-for-trees)) (apply *)) |