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Ingy döt Net 2013-06-05 21:47:54 +00:00
parent 1f1ad49427
commit 6f050a029e
2496 changed files with 37609 additions and 3031 deletions
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9
Task/Sorting-algorithms-Quicksort/Racket/sorting-algorithms-quicksort-1.rkt Normal file
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#lang racket
(define (quicksort a-list (compare <))
(match a-list
((list)
(list))
((cons x xs)
(append (quicksort (filter (lambda (element) (compare element x)) xs) compare)
(list x)
(quicksort (filter (lambda (element) (not (compare element x))) xs) compare)))))

4
Task/Sorting-algorithms-Quicksort/Racket/sorting-algorithms-quicksort-2.rkt Normal file
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(quicksort '(8 7 5 6 4 3 2))
;returns '(2 3 4 5 6 7 8)
(quicksort '("Quicksort" "Mergesort" "Bubblesort") string<?)
;returns '("Bubblesort" "Mergesort" "Quicksort")