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  1. ; diminishing gap sort
  2.  
  3. (define (zip . xss) (apply map list xss))
  4.  
  5. (define xs (list 80 256 144 5 12 134 15 14 121))
  6.  
  7. (define (gaps xs)
  8.   (let ((ys (append (cdr xs) (list 0))))
  9.     (zip (map - xs ys) xs)))
  10.  
  11. (display (gaps (sort xs >))) (newline)
  12.  
  13. (define (car> xs ys) (> (car xs) (car ys)))
  14.  
  15. (define (diminishing-gap-sort xs)
  16.   (map cadr (sort (gaps (sort xs >)) car>)))
  17.  
  18. (display (diminishing-gap-sort xs)) (newline)
Success #stdin #stdout 0.02s 8672KB
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((112 256) (10 144) (13 134) (41 121) (65 80) (1 15) (2 14) (7 12) (5 5))
(256 80 121 134 144 12 5 14 15)
https://ideone.com/rTBgP1
language:
Scheme (guile 2.2.4)
created:
7 years ago
visibility:
public

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