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| author | H.J <thechairman@thechairman.info> | 2024-10-09 11:36:55 -0400 |
|---|---|---|
| committer | H.J <thechairman@thechairman.info> | 2024-10-09 11:36:55 -0400 |
| commit | 8777ff071f7bb37631baa7b6717ad29961e50911 (patch) | |
| tree | 6d59c4ed58e454b960339c3d1151f0a879e8d7cb /racket/leetcode/lc-1450-students-doing-homework.rkt | |
| parent | 6156a9ef7be4012063a042aafb4e9b0d7eadde8e (diff) | |
| download | gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.tar.gz gleam_aoc-8777ff071f7bb37631baa7b6717ad29961e50911.zip | |
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Diffstat (limited to 'racket/leetcode/lc-1450-students-doing-homework.rkt')
| -rw-r--r-- | racket/leetcode/lc-1450-students-doing-homework.rkt | 12 |
1 files changed, 12 insertions, 0 deletions
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)
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