aparler/RosettaCodeData
1
0
Fork 0
Code Issues 12 Pull requests 3 Projects Releases Packages Wiki Activity Actions

A-M baby

Browse source
This commit is contained in:
Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

7
Task/Forward-difference/Common-Lisp/forward-difference.lisp Normal file
View file

@ -0,0 +1,7 @@
(defun forward-difference (list)
(mapcar #'- (rest list) list))
(defun nth-forward-difference (list n)
(setf list (copy-list list))
(loop repeat n do (map-into list #'- (rest list) list))
(subseq list 0 (- (length list) n)))