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authorH.J <thechairman@thechairman.info>2024-10-09 11:36:55 -0400
committerH.J <thechairman@thechairman.info>2024-10-09 11:36:55 -0400
commit8777ff071f7bb37631baa7b6717ad29961e50911 (patch)
tree6d59c4ed58e454b960339c3d1151f0a879e8d7cb /leetcode/lc-290-word-pattern.rkt
parent6156a9ef7be4012063a042aafb4e9b0d7eadde8e (diff)
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-rw-r--r--leetcode/lc-290-word-pattern.rkt23
1 files changed, 0 insertions, 23 deletions
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