Lisp Scheme Part22 - 暇つぶし2ch

Lisp Scheme Part22 ..

68:デフォルトの名無しさん
08/05/23 23:43:43
>>62
(define (誰かひとりが犯人? . ls)
(cond
((eq? (car ls) '有罪) (and (eq? (cadr ls) '無罪) (eq? (caddr ls) '無罪)))
((eq? (cadr ls) '有罪) (and (eq? (car ls) '無罪) (eq? (caddr ls) '無罪)))
((eq? (caddr ls) '有罪) (and (eq? (car ls) '無罪) (eq? (cadr ls) '無罪)))
(else #f)))

こうだよねｗ

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