diff options
Diffstat (limited to 'leetcode/lc-1221-split-a-string-balanced.rkt')
| -rw-r--r-- | leetcode/lc-1221-split-a-string-balanced.rkt | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/leetcode/lc-1221-split-a-string-balanced.rkt b/leetcode/lc-1221-split-a-string-balanced.rkt deleted file mode 100644 index 4c75770..0000000 --- a/leetcode/lc-1221-split-a-string-balanced.rkt +++ /dev/null @@ -1,19 +0,0 @@ -#lang racket -(require rackunit) - -(define/contract (balanced-string-split s) - (-> string? exact-integer?) - (for/fold ([acc 0] - [count 0] - #:result count) - ([c (string->list s)]) - (let* ([increment (case c - [(#\R) 1] - [(#\L) -1])] - [new-acc (+ increment acc)] - [new-count (case new-acc - [(0) (add1 count)] - [else count])]) - (values new-acc new-count)))) - -(check-eq? (balanced-string-split "RLRRLLRLRL") 4)
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