RosettaCodeData/Task/Mutual-recursion/Scheme/mutual-recursion-1.scm
2024-10-16 18:07:41 -07:00

7 lines
121 B
Scheme

(define (F n)
(if (= n 0) 1
(- n (M (F (- n 1))))))
(define (M n)
(if (= n 0) 0
(- n (F (M (- n 1))))))