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-290-word-pattern.rkt | 23 ----------------------- 1 file changed, 23 deletions(-) delete mode 100644 leetcode/lc-290-word-pattern.rkt (limited to 'leetcode/lc-290-word-pattern.rkt') diff --git a/leetcode/lc-290-word-pattern.rkt b/leetcode/lc-290-word-pattern.rkt deleted file mode 100644 index 77cdba0..0000000 --- a/leetcode/lc-290-word-pattern.rkt +++ /dev/null @@ -1,23 +0,0 @@ -#lang racket -(define match-string "abba") -(define a "dog") -(define b "cat") -(define Σ "dog cat cat dog") - -(define/contract (word-pattern pattern s) - (-> string? string? boolean?) - (define pattern-list (map string (string->list pattern))) - (define s-list (string-split s)) - (define match-hash (make-hash)) - (if (= (length pattern-list) (length s-list)) - (for/and ([pattern-part pattern-list] - [s-part s-list]) - (cond [(and (not (hash-has-key? match-hash pattern-part)) - (member s-part (hash-values match-hash))) #f] - [(not (hash-has-key? match-hash pattern-part)) - (hash-set! match-hash pattern-part s-part) #t] - [(string=? (hash-ref match-hash pattern-part) s-part) #t] - [else #f])) - #f)) - -(word-pattern match-string Σ) \ No newline at end of file -- cgit v1.2.3