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  1. ; list rotations
  2.  
  3. (define (rots xs)
  4.   (define (rot1 xs)
  5.     (append (cdr xs) (list (car xs))))
  6.   (do ((n (length xs) (- n 1))
  7.        (zs (list xs) (cons (rot1 (car zs)) zs)))
  8.       ((= n 1) zs)))
  9.  
  10. (display (rots '(a b c d e)))
Success #stdin #stdout 0s 7964KB
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Standard input is empty
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((e a b c d) (d e a b c) (c d e a b) (b c d e a) (a b c d e))
https://ideone.com/CLMGeG
language:
Scheme (chicken 4.13)
created:
4 years ago
visibility:
public

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