diff options
Diffstat (limited to 'leetcode/lc-1436-destination-city.rkt')
| -rw-r--r-- | leetcode/lc-1436-destination-city.rkt | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/leetcode/lc-1436-destination-city.rkt b/leetcode/lc-1436-destination-city.rkt deleted file mode 100644 index ce82f08..0000000 --- a/leetcode/lc-1436-destination-city.rkt +++ /dev/null @@ -1,14 +0,0 @@ -#lang racket -(define/contract (dest-city paths) - (-> (listof (listof string?)) string?) - (define city-pairs (make-hash paths)) - (define (go-to-next-city origin) - (let ([destination (hash-ref city-pairs origin #false)]) - (if destination - (go-to-next-city (car destination)) - origin))) - (go-to-next-city (caar paths))) - -(dest-city '(("London" "New York") - ("New York" "Lima") - ("Lima" "Sao Paolo")))
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