1 files changed, 0 insertions, 64 deletions
diff --git a/aoc2020/day-04/day-04.rkt b/aoc2020/day-04/day-04.rkt
deleted file mode 100644
index 54d50f8..0000000
--- a/aoc2020/day-04/day-04.rkt
+++ /dev/null
@@ -1,64 +0,0 @@
-#lang racket
-(require "../../jj-aoc.rkt"
-         threading)
-
-(define passports
-  (~> (open-day 4 2020) (port->string) (string-split "\n\n") (map (λ~> (string-replace "\n" " ")) _)))
-
-;; part 1
-(define required-fields (list "byr:" "iyr:" "eyr:" "hgt:" "hcl:" "ecl:" "pid:"))
-
-(define (valid-passport? p)
-  (andmap (λ (s) (string-contains? p s)) required-fields))
-
-(count valid-passport? passports)
-
-;; part 2
-(define passport-fields
-  (for/list ([p (in-list passports)] #:when (valid-passport? p))
-    (~> p string-split (map (curryr string-split ":") _) flatten (apply hash _))))
-
-(define (between x low high)
-  (and (x . >= . low) (x . <= . high)))
-
-(define (valid-byr? p)
-  (define year (string->number (hash-ref p "byr")))
-  (between year 1920 2002))
-
-(define (valid-iyr? p)
-  (define year (string->number (hash-ref p "iyr")))
-  (between year 2010 2020))
-
-(define (valid-eyr? p)
-  (define year (string->number (hash-ref p "eyr")))
-  (between year 2020 2030))
-
-(define (valid-hgt? p)
-  (define height (hash-ref p "hgt"))
-  (cond
-    [(string-suffix? height "cm")
-     (let ([h (string->number (string-trim height "cm"))]) (between h 150 193))]
-    [(string-suffix? height "in")
-     (let ([h (string->number (string-trim height "in"))]) (between h 59 76))]
-    [else #false]))
-
-(define (valid-hcl? p)
-  (define color (hash-ref p "hcl"))
-  (regexp-match #px"^#[0-9a-f]{6}$" color))
-
-(define (valid-ecl? p)
-  (member (hash-ref p "ecl") (list "amb" "blu" "brn" "gry" "grn" "hzl" "oth")))
-
-(define (valid-pid? p)
-  (regexp-match #px"^\\d{9}$" (hash-ref p "pid")))
-
-(define (valid-stricter-passport? p)
-  (and (valid-byr? p)
-       (valid-iyr? p)
-       (valid-eyr? p)
-       (valid-hgt? p)
-       (valid-hcl? p)
-       (valid-ecl? p)
-       (valid-pid? p)))
-
-(count valid-stricter-passport? passport-fields)