12 lines
311 B
Common Lisp
12 lines
311 B
Common Lisp
(defun pascal-next-row (a)
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(loop :for q :in a
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:and p = 0 :then q
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:as s = (list (+ p q))
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:nconc s :into a
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:finally (rplacd s (list 1))
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(return a)))
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(defun pascal (n)
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(loop :for a = (list 1) :then (pascal-next-row a)
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:repeat n
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:collect a))
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