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-rw-r--r--advent-of-code/2023/04/1.rkt29
1 files changed, 0 insertions, 29 deletions
diff --git a/advent-of-code/2023/04/1.rkt b/advent-of-code/2023/04/1.rkt
deleted file mode 100644
index e8dd242..0000000
--- a/advent-of-code/2023/04/1.rkt
+++ /dev/null
@@ -1,29 +0,0 @@
-#lang racket
-
-(require "../../lib/utils.rkt")
-(require "../../lib/obj.rkt")
-
-(define fp (open-input-file "input"))
-
-(define lines (get-lines fp))
-
-(define (strip-head s)
- (string-trim (cadr (string-split s ":"))))
-
-(set! lines (map strip-head lines))
-
-(define make-card (obj-maker 'win-nums 'nums))
-
-(define (parse-card s)
- (define lst (string-split s "|"))
- (define win-nums (map string->number (string-split (car lst))))
- (define nums (map string->number (string-split (cadr lst))))
- (make-card win-nums nums))
-
-(define (point card)
- (define wins (length (filter (λ (x) (member x (card 'win-nums))) (card 'nums))))
- (if (= wins 0)
- 0
- (expt 2 (- wins 1))))
-
-(apply + (map point (map parse-card lines)))