diff options
Diffstat (limited to 'leetcode/lc-657-robot-return.rkt')
| -rw-r--r-- | leetcode/lc-657-robot-return.rkt | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/leetcode/lc-657-robot-return.rkt b/leetcode/lc-657-robot-return.rkt deleted file mode 100644 index 908605a..0000000 --- a/leetcode/lc-657-robot-return.rkt +++ /dev/null @@ -1,17 +0,0 @@ -#lang racket - -(define/contract (judge-circle moves) - (-> string? boolean?) - (equal? '(0 0) - (for/fold ([y-pos 0] - [x-pos 0] - #:result (list y-pos x-pos)) - ([move (map string (string->list moves))]) - (values (case move - [("U") (add1 y-pos)] - [("D") (sub1 y-pos)] - [else y-pos]) - (case move - [("L") (add1 x-pos)] - [("R") (sub1 x-pos)] - [else x-pos])))))
\ No newline at end of file |