prep for 2023, renaming for consistency

1 files changed, 0 insertions, 36 deletions

diff --git a/2022/day-07/day-07.rkt b/2022/day-07/day-07.rkt
deleted file mode 100644
index 3826cc4..0000000
--- a/2022/day-07/day-07.rkt
+++ /dev/null
@@ -1,36 +0,0 @@
-#lang racket
-
-(require advent-of-code
-         fancy-app
-         threading
-         (only-in relation ->number))
-
-(define command-output (~> (fetch-aoc-input (find-session) 2022 7) (string-split "\n")))
-
-(define (parse-commands cmds)
-  (define (update-sizes h path size)
-    (match path
-      ['() h]
-      [(list* _ fs) (update-sizes (hash-update h path (+ _ size) 0) fs size)]))
-
-  (for/fold ([folders (hash)] [current-path '()] [previously-seen? #false] #:result folders)
-            ([cmd (in-list cmds)])
-    (match (string-split cmd)
-      [(list "$" "ls") (values folders current-path (hash-has-key? folders current-path))]
-      [(list "$" "cd" "/") (values folders '("/") #false)]
-      [(list "$" "cd" "..") (values folders (rest current-path) #false)]
-      [(list "$" "cd" folder) (values folders (cons folder current-path) #false)]
-      [(list "dir" _) (values folders current-path previously-seen?)]
-      [(list (app ->number size) _)
-       (cond
-         [previously-seen? (values folders current-path previously-seen?)]
-         [else (values (update-sizes folders current-path size) current-path previously-seen?)])])))
-
-(define folders (parse-commands command-output))
-
-;; part 1
-(for/sum ([(_ v) (in-hash folders)] #:when (<= v 100000)) v)
-
-;; part 2
-(define required-to-delete (- 30000000 (- 70000000 (hash-ref folders '("/")))))
-(~>> folders hash-values (filter (> _ required-to-delete)) (apply min))