renaming

1 files changed, 0 insertions, 36 deletions

diff --git a/aoc2023-other/day-08/day-08.rkt b/aoc2023-other/day-08/day-08.rkt
deleted file mode 100644
index 06daafa..0000000
--- a/aoc2023-other/day-08/day-08.rkt
+++ /dev/null
@@ -1,36 +0,0 @@
-#lang racket
-
-(require advent-of-code
-         threading)
-
-(struct exits (left right) #:transparent)
-
-(match-define (list raw-directions raw-maze)
-  (~> (fetch-aoc-input (find-session) 2023 8 #:cache #true) (string-split "\n\n")))
-
-(define directions (string->list raw-directions))
-
-(define maze
-  (for/hash ([line (in-list (string-split raw-maze "\n"))])
-    (match (regexp-match #rx"(...) = \\((...), (...)\\)" line)
-      [(list _ name left right) (values name (exits left right))])))
-
-(define (to-next-node start end dirs maze)
-  (for/fold ([current start]
-             [acc 0]
-             #:result acc)
-            ([dir (in-cycle dirs)])
-    #:break (string-suffix? current end)
-    (define node (hash-ref maze current))
-    (case dir
-      [(#\L) (values (exits-left node) (add1 acc))]
-      [(#\R) (values (exits-right node) (add1 acc))])))
-
-;; part 1
-(to-next-node "AAA" "ZZZ" directions maze)
-
-;; part 2
-(for/lists (ns #:result (apply lcm ns))
-           ([start (in-list (hash-keys maze))]
-            #:when (string-suffix? start "A"))
-  (to-next-node start "Z" directions maze))