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1 files changed, 0 insertions, 51 deletions

diff --git a/aoc2018/day-03/day-03.rkt b/aoc2018/day-03/day-03.rkt
deleted file mode 100644
index b486361..0000000
--- a/aoc2018/day-03/day-03.rkt
+++ /dev/null
@@ -1,51 +0,0 @@
-#lang racket
-
-(require advent-of-code
-         threading
-         data/applicative
-         data/monad
-         megaparsack
-         megaparsack/text)
-
-(struct claim (number start-x start-y size-x size-y) #:transparent)
-
-(define claim/p
-  (do (char/p #\#)
-      [number <- integer/p]
-      (string/p " @ ")
-      [start-x <- integer/p]
-      (char/p #\,)
-      [start-y <- integer/p]
-      (string/p ": ")
-      [size-x <- integer/p]
-      (char/p #\x)
-      [size-y <- integer/p]
-      (pure (claim number start-x start-y size-x size-y))))
-
-(define (parse-claim str)
-  (parse-result! (parse-string claim/p str)))
-
-(define (make-claim ht cl)
-  (for*/fold ([fabric ht])
-             ([x (in-range (claim-start-x cl) (+ (claim-start-x cl) (claim-size-x cl)))]
-              [y (in-range (claim-start-y cl) (+ (claim-start-y cl) (claim-size-y cl)))])
-    (hash-update fabric (cons x y) add1 0)))
-
-(define claims
-  (~> (port->lines (open-aoc-input (find-session) 2018 3 #:cache #true)) (map parse-claim _)))
-
-(define claimed-fabric
-  (for/fold ([fabric (hash)]) ([cl (in-list claims)])
-    (make-claim fabric cl)))
-
-;; part 1
-(for/sum ([claim-count (in-list (hash-values claimed-fabric))] #:when (< 1 claim-count)) 1)
-
-;; part 2
-(define (uncontested-claim? fabric cl)
-  (for*/and ([x (in-range (claim-start-x cl) (+ (claim-start-x cl) (claim-size-x cl)))]
-             [y (in-range (claim-start-y cl) (+ (claim-start-y cl) (claim-size-y cl)))])
-    (= 1 (hash-ref fabric (cons x y)))))
-
-(for/first ([cl (in-list claims)] #:when (uncontested-claim? claimed-fabric cl))
-  (claim-number cl))