fork download
copy 
  1. (setq mazeList '(A A A B B B C C C))
  2. (print mazeList)
  3. (nsubstitute 'F 'a mazeList)
  4. (nsubstitute 'L 'b mazeList)
  5. (nsubstitute 'R 'c mazeList)
  6. (print mazeList)
  7.  
  8. (defun my-compress (mazeList start end)
  9.  
  10.        (let ( (a-string "" ))
  11.        (do ((i start (+ i 1)))
  12.            ((> i end) a-string)
  13.          (setf a-string (concatenate 'string  a-string (string  (nth i
  14. a-list) ))))))
Success #stdin #stdout 0.02s 10592KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
(A A A B B B C C C) 
(F F F L L L R R R)
https://ideone.com/BM6Wy
language:
Common Lisp (clisp 2.49.92)
created:
14 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!