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| author | H.J <thechairman@thechairman.info> | 2024-10-09 11:36:55 -0400 |
|---|---|---|
| committer | H.J <thechairman@thechairman.info> | 2024-10-09 11:36:55 -0400 |
| commit | 8777ff071f7bb37631baa7b6717ad29961e50911 (patch) | |
| tree | 6d59c4ed58e454b960339c3d1151f0a879e8d7cb /leetcode/lc-500-keyboard-row.rkt | |
| parent | 6156a9ef7be4012063a042aafb4e9b0d7eadde8e (diff) | |
| download | gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.tar.gz gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.zip | |
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Diffstat (limited to 'leetcode/lc-500-keyboard-row.rkt')
| -rw-r--r-- | leetcode/lc-500-keyboard-row.rkt | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/leetcode/lc-500-keyboard-row.rkt b/leetcode/lc-500-keyboard-row.rkt deleted file mode 100644 index 5f13143..0000000 --- a/leetcode/lc-500-keyboard-row.rkt +++ /dev/null @@ -1,23 +0,0 @@ -#lang racket - -(define keyboard-rows (list "qwertyuiop" - "asdfghjkl" - "zxcvbnm")) - -(define keyboard-row-sets - (for/list ([row keyboard-rows]) - (list->set (map string (string->list row))))) - -(define/contract (find-words words) - (-> (listof string?) (listof string?)) - (define word-checks - (for/list ([w words]) - (define word-set - (list->set (map string (string->list (string-downcase w))))) - (if (for/or ([row keyboard-row-sets]) - (subset? word-set row)) - w - '()))) - (filter-not empty? word-checks)) - -(find-words '("Hello" "Alaska" "Dad" "Peace"))
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