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Ingy döt Net 2013-04-10 12:38:42 -07:00
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Task/Ackermann-function/Racket/ackermann-function.rkt Normal file
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#lang racket
(define (ackermann m n)
(cond [(zero? m) (add1 n)]
[(and (> m 0) (zero? n))
(ackermann (sub1 m) 1)]
[(and (> m 0) (> n 0))
(ackermann (sub1 m) (ackermann m (sub1 n)))]))