RosettaCodeData/Task/Ackermann-function/Racket/ackermann-function.rkt
Ingy döt Net 6f050a029e update
2013-06-05 21:47:54 +00:00

5 lines
170 B
Racket

#lang racket
(define (ackermann m n)
(cond [(zero? m) (add1 n)]
[(zero? n) (ackermann (sub1 m) 1)]
[else (ackermann (sub1 m) (ackermann m (sub1 n)))]))