From 8777ff071f7bb37631baa7b6717ad29961e50911 Mon Sep 17 00:00:00 2001 From: "H.J" Date: Wed, 9 Oct 2024 11:36:55 -0400 Subject: sorting by language --- leetcode/lc-500-keyboard-row.rkt | 23 ----------------------- 1 file changed, 23 deletions(-) delete mode 100644 leetcode/lc-500-keyboard-row.rkt (limited to 'leetcode/lc-500-keyboard-row.rkt') 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")) \ No newline at end of file -- cgit v1.2.3