using raco fmt, replacing missing dependency

1 files changed, 16 insertions, 26 deletions

diff --git a/2021/day-17/day-17.rkt b/2021/day-17/day-17.rkt
index b8563a5..7de44a0 100644
--- a/2021/day-17/day-17.rkt
+++ b/2021/day-17/day-17.rkt
@@ -4,38 +4,30 @@
 
 (define-values (x-min x-max y-min y-max)
   (~> (open-day 17 2021)
-    port->string
-    (regexp-match #px"target area: x=(.*)\\.\\.(.*), y=(.*)\\.\\.(.*)\n" _)
-    rest
-    (map string->number _)
-    (apply values _)))
+      port->string
+      (regexp-match #px"target area: x=(.*)\\.\\.(.*), y=(.*)\\.\\.(.*)\n" _)
+      rest
+      (map string->number _)
+      (apply values _)))
 
 (define (hit? x y)
-  (and (x . >= . x-min)
-       (x . <= . x-max)
-       (y . >= . y-min)
-       (y . <= . y-max)))
+  (and (x . >= . x-min) (x . <= . x-max) (y . >= . y-min) (y . <= . y-max)))
 
 (define (miss? x y)
-  (or (y . < . y-min)
-      (x . > . x-max)))
+  (or (y . < . y-min) (x . > . x-max)))
 
-(define (drag dx i) (max (- dx i) 0))
-(define (gravity dy i) (- dy i))
+(define (drag dx i)
+  (max (- dx i) 0))
+(define (gravity dy i)
+  (- dy i))
 
 (define (find-trajectory-apex dx dy)
-  (for/fold ([x 0] [y 0] [y-apex 0] [result #f]
-                   #:result (list y-apex result))
-            ([i (in-naturals)]
-             #:break result)
+  (for/fold ([x 0] [y 0] [y-apex 0] [result #f] #:result (list y-apex result))
+            ([i (in-naturals)] #:break result)
     (cond
       [(hit? x y) (values dx dy y-apex 'hit)]
       [(miss? x y) (values x y 'miss 'miss)]
-      [else
-       (values (+ x (drag dx i))
-               (+ y (gravity dy i))
-               (if (y . > . y-apex) y y-apex)
-               #f)])))
+      [else (values (+ x (drag dx i)) (+ y (gravity dy i)) (if (y . > . y-apex) y y-apex) #f)])))
 
 (define on-target
   (for*/list ([dx (in-inclusive-range 1 x-max)]
@@ -45,9 +37,7 @@
     (list dx dy (first velocity))))
 
 ;; part 1
-(~>> on-target
-     (argmax third)
-     third)
+(~>> on-target (argmax third) third)
 
 ;; part 2
-(length on-target)
\ No newline at end of file
+(length on-target)