摘要: (define (list-change total denoms) (define (cons-all num ls) (let ((num-val num)) (cond ((null? ls) nil) (else (cons (cons num (car ls)) (cons-all num 阅读全文
posted @ 2023-04-26 08:04 哎呦_不想学习哟~ 阅读(127) 评论(0) 推荐(0)