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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Combinations/Emacs-Lisp/combinations.l Normal file
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(defun comb-recurse (m n n-max)
(cond ((zerop m) '(()))
((= n-max n) '())
(t (append (mapcar #'(lambda (rest) (cons n rest))
(comb-recurse (1- m) (1+ n) n-max))
(comb-recurse m (1+ n) n-max)))))
(defun comb (m n)
(comb-recurse m 0 n))
(comb 3 5)