commit c5680be46599039605d5f756896a33f7b4749a7d parent 70b3ce278c2aef508a8fe9fc2bb51d5e64aa7efd Author: aabacchus <bvnfuller@gmail.com> Date: Thu, 2 Dec 2021 21:06:57 +0000 2021 day 2 part 1 in scheme took me about an hour and a half :P Diffstat:
| A | 2021/02/2.scm | | | 18 | ++++++++++++++++++ |
| A | 2021/02/input | | | 1000 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
2 files changed, 1018 insertions(+), 0 deletions(-)
diff --git a/2021/02/2.scm b/2021/02/2.scm @@ -0,0 +1,18 @@ +(import (chicken io) + (chicken string)) + +(define txtlines (call-with-input-file "input" read-lines)) +(define splitlines (map (lambda (s) (string-split s " ")) txtlines)) + +(define (getvec-line splitline) + (cond + ((string=? (car splitline) "forward") (list (string->number (cadr splitline)) 0)) + ((string=? (car splitline) "down") (list 0 (string->number (cadr splitline)))) + ((string=? (car splitline) "up") (list 0 (* -1 (string->number (cadr splitline))))) + (else (list 0 0)))) + +(define (move lines) + (if (null? lines) '(0 0) + (map + (getvec-line (car lines)) (move (cdr lines))))) + +(print (apply * (move splitlines))) diff --git a/2021/02/input b/2021/02/input @@ -0,0 +1,1000 @@ +forward 1 +down 3 +down 2 +up 1 +down 7 +down 8 +forward 6 +forward 1 +forward 1 +down 6 +up 3 +down 7 +down 1 +down 6 +forward 6 +down 6 +forward 3 +up 7 +forward 5 +down 4 +forward 6 +forward 1 +forward 6 +forward 9 +forward 3 +up 1 +forward 7 +down 9 +forward 2 +up 9 +down 5 +down 3 +up 1 +down 6 +down 7 +down 8 +down 7 +forward 7 +forward 3 +down 5 +down 2 +forward 4 +forward 7 +down 8 +down 4 +down 5 +down 1 +forward 4 +up 6 +forward 6 +forward 4 +forward 5 +up 3 +up 6 +down 4 +down 8 +forward 4 +forward 5 +down 3 +forward 1 +down 5 +down 5 +forward 8 +forward 9 +forward 1 +forward 8 +forward 5 +forward 6 +up 8 +down 3 +forward 8 +up 2 +down 3 +down 9 +up 9 +forward 5 +down 2 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