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1 files changed, 0 insertions, 35 deletions

diff --git a/aoc2021/day-25/day-25.rkt b/aoc2021/day-25/day-25.rkt
deleted file mode 100644
index 7a3a5ca..0000000
--- a/aoc2021/day-25/day-25.rkt
+++ /dev/null
@@ -1,35 +0,0 @@
-#lang racket
-(require "../../jj-aoc.rkt"
-         threading)
-
-(define sea-floor
-  (for*/hash ([(row i) (in-indexed (in-lines (open-day 25 2021)))] [(c j) (in-indexed row)])
-    (values (list i j) c)))
-
-(define-values (max-i max-j)
-  (~> sea-floor hash-keys (argmax (λ (coord) (apply + coord)) _) (apply values _)))
-
-(define (cucumber-movement h c delta-i delta-j)
-  (define new-hash (hash-copy h))
-  (for* ([(coord x) (in-hash h)] #:when (eq? x c))
-    (match-define (list i j) coord)
-    (define neighbor (list (+ delta-i i) (+ delta-j j)))
-    (define neighbor-or-wrap
-      (if (hash-has-key? h neighbor) neighbor (list (if (= delta-i 0) i 0) (if (= delta-j 0) j 0))))
-    (when (eq? #\. (hash-ref h neighbor-or-wrap))
-      (hash-set*! new-hash coord #\. neighbor-or-wrap c)))
-  new-hash)
-
-(define (eastwards-movement h)
-  (cucumber-movement h #\> 0 1))
-
-(define (southwards-movement h)
-  (cucumber-movement h #\v 1 0))
-
-;; part 1
-(for/fold ([f sea-floor] [step 0] #:result (add1 step)) ([i (in-naturals 1)])
-  (define f* (~> f eastwards-movement southwards-movement))
-  #:break (equal? f* f)
-  (values f* i))
-
-;; no part 2 -- merry Christmas