1 files changed, 0 insertions, 40 deletions
diff --git a/aoc2023-racket/day-11/day-11.rkt b/aoc2023-racket/day-11/day-11.rkt
deleted file mode 100644
index dba617b..0000000
--- a/aoc2023-racket/day-11/day-11.rkt
+++ /dev/null
@@ -1,40 +0,0 @@
-#lang racket
-
-(require advent-of-code
-         threading)
-
-(struct posn (x y) #:transparent)
-
-(define input
-  (~> (fetch-aoc-input (find-session) 2023 11 #:cache #true)
-      (string-split "\n")
-      (map string->list _)))
-
-(define (get-empty-ranks grid)
-  (for/list ([(rank n) (in-indexed grid)] #:when (equal? '(#\.) (remove-duplicates rank)))
-    n))
-
-(define (count-prior-empty-ranks rank empty-ranks)
-  (~> empty-ranks 
-      (takef (curryr < rank)) 
-      length))
-
-(define empty-rows (get-empty-ranks input))
-(define empty-columns (get-empty-ranks (apply map list input))) ;; transpose
-
-(define (sum-of-star-distances in expand-by)
-  (define stars
-    (for*/list ([(row x) (in-indexed in)] 
-                [(col y) (in-indexed row)] 
-                #:when (equal? col #\#))
-      (posn (+ x (* (sub1 expand-by) (count-prior-empty-ranks x empty-rows)))
-            (+ y (* (sub1 expand-by) (count-prior-empty-ranks y empty-columns))))))
-  (for/sum ([star-pair (in-combinations stars 2)])
-           (match-define (list (posn x1 y1) (posn x2 y2)) star-pair)
-           (+ (abs (- x1 x2)) (abs (- y1 y2)))))
-
-;; part 1
-(sum-of-star-distances input 2)
-
-;; part 2
-(sum-of-star-distances input 1000000)