- プログラミングのお題スレ Part13
254 ：デフォルトの名無しさん[sage]：2019/02/19(火) 22:19:54.18 ID:sIqHxZ1N - ; Common Lisp
(defun flip (seq n)
(concatenate (type-of seq) (nreverse (subseq seq 0 (1+ n))) (subseq seq (1+ n))))
(defun pancake-sort (seq predicate)
(loop for s = seq
then (if j (flip (flip (flip (flip s (1- j)) (1- i)) i) j) s)
for i from 1 to (1- (length seq))
for j = (position (elt s i) s :end i :test predicate)
finally (return s)))
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