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-rw-r--r--leetcode/lc-896-monotonic-array.rkt16
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diff --git a/leetcode/lc-896-monotonic-array.rkt b/leetcode/lc-896-monotonic-array.rkt
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--- a/leetcode/lc-896-monotonic-array.rkt
+++ /dev/null
@@ -1,16 +0,0 @@
-#lang racket
-(define/contract (is-monotonic test-list)
- (-> (listof exact-integer?) boolean?)
- (cond [(empty? (cdr test-list)) #true]
- [((car test-list) . > . (cadr test-list))
- (is-monotonic-direction test-list >=)]
- [((car test-list) . < . (cadr test-list))
- (is-monotonic-direction test-list <=)]
- [else (is-monotonic (cdr test-list))]))
-
-(define/contract (is-monotonic-direction test-list dir)
- (-> (listof exact-integer?) procedure? boolean?)
- (cond [(empty? (cdr test-list)) #true]
- [((car test-list) . dir . (cadr test-list))
- (is-monotonic-direction (cdr test-list) dir)]
- [else #false])) \ No newline at end of file