diff options
Diffstat (limited to 'racket/leetcode/lc-944-delete-columns.rkt')
| -rw-r--r-- | racket/leetcode/lc-944-delete-columns.rkt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/racket/leetcode/lc-944-delete-columns.rkt b/racket/leetcode/lc-944-delete-columns.rkt new file mode 100644 index 0000000..f9714b7 --- /dev/null +++ b/racket/leetcode/lc-944-delete-columns.rkt @@ -0,0 +1,7 @@ +#lang racket +(define/contract (min-deletion-size strs) + (-> (listof string?) exact-integer?) + (define transposed-strs (apply map list (map string->list strs))) + (count (λ (s) (not (equal? s (sort s char<?)))) transposed-strs)) + +(min-deletion-size '["cba" "daf" "ghi"]) |