Anonymous user
100 doors: Difference between revisions
Added an ACL2 solution.
(Add Axiom task) |
(Added an ACL2 solution.) |
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Line 97:
enddo.
endform.</lang>
=={{header|ACL2}}==
<lang lisp>(defun rep (n x)
(if (zp n)
nil
(cons x
(rep (- n 1) x))))
(defun toggle-every-r (n i bs)
(if (endp bs)
nil
(cons (if (zp i)
(not (first bs))
(first bs))
(toggle-every-r n (mod (1- i) n) (rest bs)))))
(defun toggle-every (n bs)
(toggle-every-r n (1- n) bs))
(defun 100-doors (i doors)
(if (zp i)
doors
(100-doors (1- i) (toggle-every i doors))))</lang>
=={{header|ActionScript}}==
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