Discussion on: Daily Coding Puzzles - Nov 4th - Nov 9th

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Replies for: Thursday Scramblies (5 KYU): Complete the function scramble(str1, str2) that returns true if a portion of str1 characters can be rearranged to m...

Common Lisp


(defun scramble (source target)
          (let ((source (coerce source 'list))
                (target (coerce target 'list)))
            (cond ((null target) t) 
                  ((member (first target) source)
                   (scramble (remove (first target) source :count 1)
                             (rest target))))))

(mapcar #'(lambda (args) (apply #'scramble args))
        '(("rkqodlw" "world")
          ("cedewaraaossoqqyt" "codewars")
          ("katas" "steak")
          ("scriptjavx" "javascript")
          ("scriptingjava" "javascript")
          ("scriptsjava" "javascripts")
          ("javscripts" "javascript")
          ("aabbcamaomsccdd" "commas")
          ("commas" "commas")
          ("sammoc" "commas")))
;; => (T T NIL NIL T T NIL T T T)