摘要： ![sicp每日一题[2.19]](https://img2024.cnblogs.com/blog/3223467/202409/3223467-20240920080320913-807229981.png)
Exercise 2.19 Consider the change-counting program of Section 1.2.2. It would be nice to be able to easily change the currency used by the program, so 阅读全文
Exercise 2.19 Consider the change-counting program of Section 1.2.2. It would be nice to be able to easily change the currency used by the program, so 阅读全文