From 8777ff071f7bb37631baa7b6717ad29961e50911 Mon Sep 17 00:00:00 2001
From: "H.J" <thechairman@thechairman.info>
Date: Wed, 9 Oct 2024 11:36:55 -0400
Subject: sorting by language

---
 leetcode/lc-217-contains-duplicate.rkt | 12 ------------
 1 file changed, 12 deletions(-)
 delete mode 100644 leetcode/lc-217-contains-duplicate.rkt

(limited to 'leetcode/lc-217-contains-duplicate.rkt')

diff --git a/leetcode/lc-217-contains-duplicate.rkt b/leetcode/lc-217-contains-duplicate.rkt
deleted file mode 100644
index ca8d193..0000000
--- a/leetcode/lc-217-contains-duplicate.rkt
+++ /dev/null
@@ -1,12 +0,0 @@
-#lang racket
-(define/contract (contains-duplicate nums)
-  (-> (listof exact-integer?) boolean?)
-  (define nums-hash (make-hash))
-  (define (check-next-number nums)
-    (cond [(empty? nums) #false]
-          [(hash-ref nums-hash (car nums) #false) #true]
-          [else (hash-set! nums-hash (car nums) #true)
-                (check-next-number (cdr nums))]))
-  (check-next-number nums))
-
-(contains-duplicate '(1 2 3))
\ No newline at end of file
-- 
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