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-1450-students-doing-homework.rkt | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 racket/leetcode/lc-1450-students-doing-homework.rkt (limited to 'racket/leetcode/lc-1450-students-doing-homework.rkt') diff --git a/racket/leetcode/lc-1450-students-doing-homework.rkt b/racket/leetcode/lc-1450-students-doing-homework.rkt new file mode 100644 index 0000000..14ff079 --- /dev/null +++ b/racket/leetcode/lc-1450-students-doing-homework.rkt @@ -0,0 +1,12 @@ +#lang racket +(define/contract (busy-student start-time end-time query-time) + (-> (listof exact-integer?) (listof exact-integer?) exact-integer? exact-integer?) + (count (λ (start end) + (and (start . <= . query-time) + (query-time . <= . end))) start-time end-time)) + +(busy-student '(1 2 3) '(3 2 7) 4) +(busy-student '(4) '(4) 4) +(busy-student '(9 8 7 6 5 4 3 2 1) + '(10 10 10 10 10 10 10 10 10) + 5) \ No newline at end of file -- cgit v1.2.3