sniperHW

摘要： 很简单的问题，最笨的算法，自己第一个用scheme写的稍微算长点的程序.废话不多说，直接上代码.(begin (load "ex2.scm") (define (make-maze) (define (for-each proc things) (cond ((null? things) nil) (else (let ((ret (proc (car things)))) (if (null? ret) (for-each proc (cdr things))... 阅读全文