1 files changed, 0 insertions, 57 deletions
diff --git a/2021/day-10/day-10.rkt b/2021/day-10/day-10.rkt
deleted file mode 100644
index ea1b389..0000000
--- a/2021/day-10/day-10.rkt
+++ /dev/null
@@ -1,57 +0,0 @@
-#lang racket
-
-(require math/statistics
-         threading
-         "../../jj-aoc.rkt")
-
-(define chunks (port->lines (open-day 10 2021)))
-
-(define (opening-bracket? c)
-  (member c (string->list "([{<")))
-
-(define (matching-brackets? c-left c-right)
-  (member (string c-left c-right) '("()" "[]" "{}" "<>")))
-
-(define (parse-brackets lst [acc '()])
-  (cond
-    [(empty? lst) acc]
-    [(opening-bracket? (first lst)) (parse-brackets (rest lst) (cons (first lst) acc))]
-    [(matching-brackets? (first acc) (first lst)) (parse-brackets (rest lst) (rest acc))]
-    [else (get-score (first lst))]))
-
-;; part 1
-(define (get-score c)
-  (match (string c)
-    [")" 3]
-    ["]" 57]
-    ["}" 1197]
-    [">" 25137]))
-
-(define (score-invalid-string chunk)
-  (match (parse-brackets (string->list chunk))
-    [(? list?) 0]
-    [n n]))
-
-(for/sum ([chunk (in-list chunks)]) (score-invalid-string chunk))
-
-;; part 2
-(define (completion-score lst)
-  (for/fold ([score 0]) ([c (in-list lst)])
-    (define val
-      (match (string c)
-        ["(" 1]
-        ["[" 2]
-        ["{" 3]
-        ["<" 4]))
-    (+ (* 5 score) val)))
-
-(define (score-incomplete-string chunk)
-  (match (parse-brackets (string->list chunk))
-    [(? list? lst) (completion-score lst)]
-    [n 0]))
-
-(~>> (for*/list ([chunk (in-list chunks)]
-                 [score (in-value (score-incomplete-string chunk))]
-                 #:when (> score 0))
-       score)
-     (median <))