diff options
Diffstat (limited to 'leetcode/lc-1207-unique-occurences.rkt')
| -rw-r--r-- | leetcode/lc-1207-unique-occurences.rkt | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/leetcode/lc-1207-unique-occurences.rkt b/leetcode/lc-1207-unique-occurences.rkt deleted file mode 100644 index 1b4d107..0000000 --- a/leetcode/lc-1207-unique-occurences.rkt +++ /dev/null @@ -1,10 +0,0 @@ -#lang racket -(define/contract (unique-occurrences arr) - (-> (listof exact-integer?) boolean?) - (define occurrences (make-hash)) - (for ([n (in-list arr)]) - (hash-update! occurrences n add1 1)) - (equal? (hash-values occurrences) - (remove-duplicates (hash-values occurrences)))) - -(unique-occurrences '(1 2 2 1 1 3))
\ No newline at end of file |