1 files changed, 0 insertions, 33 deletions
diff --git a/aoc2020/day-02/day-02.rkt b/aoc2020/day-02/day-02.rkt
deleted file mode 100644
index 9e22a1a..0000000
--- a/aoc2020/day-02/day-02.rkt
+++ /dev/null
@@ -1,33 +0,0 @@
-#lang racket
-(require "../../jj-aoc.rkt"
-         threading)
-
-(struct policy (least most char pwd) #:transparent)
-
-(define (make-policy least-str most-str char-str pwd)
-  (policy (string->number least-str) (string->number most-str) (string-ref char-str 0) pwd))
-
-(define policies
-  (for/list ([l (in-lines (open-day 02 2020))])
-    (~>> l (regexp-match #px"(\\d+)-(\\d+) (\\w): (.*)") rest (apply make-policy))))
-
-;; part 1
-(define (valid-policy? p)
-  (~>> p
-       policy-pwd
-       string->list
-       (count (curry char=? (policy-char p)))
-       ((λ (n) (and (>= n (policy-least p)) (<= n (policy-most p)))))))
-
-(for/sum ([p (in-list policies)] #:when (valid-policy? p)) 1)
-
-;; part 2
-(define (valid-revised-policy? p)
-  (~>> p
-       policy-pwd
-       string->list
-       ((λ (lst) (list (list-ref lst (sub1 (policy-most p))) (list-ref lst (sub1 (policy-least p))))))
-       (count (curry char=? (policy-char p)))
-       (= 1)))
-
-(for/sum ([p (in-list policies)] #:when (valid-revised-policy? p)) 1)