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DOCTOR SCHEME

Name: Anonymous 2008-12-10 14:33

(define (pow X N)
  (cond
   ((= N 0) 1)
   ((> N 0) (* X (pow X (- N 1))))
   )
  )

(define (countAtoms X)
  (cond
    ((null? X)
     0)
    ((list? X)
     (cond
       ((list? (car X))
        (+ (countAtoms (cdr X)) (countAtoms (car X))))
       (else
        (+ (countAtoms (cdr X)) 1)))
     )
    )
  )

(define (cons2 X Y)
  (cond
    ((null? X)
     (cons Y ()))
    ((not(pair? X))
     (cons X (cons Y ())))
    (else
     (cons (car X) (cons2 (cdr X) Y)))
    )
  )

(define (reverse X)
  (cond
    ((null? X) ())
    ((null? (cdr X))
     (car X))
    ((list? X)
     (cond
       ((list? (car X))
        (cons2 (reverse (cdr X)) (reverse(car X))))
       (else
        (cons2 (reverse (cdr X)) (car X)))))
    )
  )

Name: Anonymous 2008-12-11 8:01

>>15
There are no jobs writing LISP.

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