prep for 2023

1 files changed, 0 insertions, 32 deletions

diff --git a/2021/day-22/day-22.rkt b/2021/day-22/day-22.rkt
deleted file mode 100644
index 1dc4211..0000000
--- a/2021/day-22/day-22.rkt
+++ /dev/null
@@ -1,32 +0,0 @@
-#lang racket
-(require "../../jj-aoc.rkt"
-         threading)
-
-(struct step (instruction xs ys zs) #:transparent)
-
-;; part 1
-(define (clamped-range nmin nmax)
-  (in-inclusive-range (max (string->number nmin) -50)
-                      (min (string->number nmax) 50)))
-
-(define steps
-  (for/list ([l (in-list (~> (open-day 22 2021) (port->lines)))])
-    (~>> l
-         (regexp-match #px"(.+) x=(-?\\d+)..(-?\\d+),y=(-?\\d+)..(-?\\d+),z=(-?\\d+)..(-?\\d+)")
-         rest
-         (match _ [(list direction xmin xmax ymin ymax zmin zmax)
-                   (step (string->symbol direction)
-                         (clamped-range xmin xmax)
-                         (clamped-range ymin ymax)
-                         (clamped-range zmin zmax))]))))
-
-(~> (for*/fold ([cubes (hash)])
-               ([s (in-list steps)]
-                [to (in-value (step-instruction s))]
-                [x (step-xs s)]
-                [y (step-ys s)]
-                [z (step-zs s)])
-      (hash-set cubes (list x y z) to))
-    hash-values
-    (count (curry equal? 'on) _))
-