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 --- racket/leetcode/lc-896-monotonic-array.rkt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 racket/leetcode/lc-896-monotonic-array.rkt (limited to 'racket/leetcode/lc-896-monotonic-array.rkt') diff --git a/racket/leetcode/lc-896-monotonic-array.rkt b/racket/leetcode/lc-896-monotonic-array.rkt new file mode 100644 index 0000000..fa43244 --- /dev/null +++ b/racket/leetcode/lc-896-monotonic-array.rkt @@ -0,0 +1,16 @@ +#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 -- cgit v1.2.3