diff options
Diffstat (limited to '2015/day-01/day-01.rkt')
| -rw-r--r-- | 2015/day-01/day-01.rkt | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/2015/day-01/day-01.rkt b/2015/day-01/day-01.rkt index 2432c96..efbd02a 100644 --- a/2015/day-01/day-01.rkt +++ b/2015/day-01/day-01.rkt @@ -2,20 +2,15 @@ (require "../../jj-aoc.rkt") ;; part 1 -(for/fold ([current-floor 0]) - ([l (in-input-port-chars (open-day 1 2015))] - [i (in-naturals)]) +(for/fold ([current-floor 0]) ([l (in-input-port-chars (open-day 1 2015))] [i (in-naturals)]) (match l [#\( (add1 current-floor)] [#\) (sub1 current-floor)])) ;; part 2 -(for/fold ([current-floor 0] - [last-index 0] - #:result (add1 last-index)) - ([l (in-input-port-chars (open-day 1 2015))] - [i (in-naturals)]) +(for/fold ([current-floor 0] [last-index 0] #:result (add1 last-index)) + ([l (in-input-port-chars (open-day 1 2015))] [i (in-naturals)]) #:break (= current-floor -1) (match l [#\( (values (add1 current-floor) i)] - [#\) (values (sub1 current-floor) i)]))
\ No newline at end of file + [#\) (values (sub1 current-floor) i)])) |