UVA864 Scheme Pretty-Printing

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=10&page=show_problem&problem=805 [PDF](https://uva.onlinejudge.org/external/8/p864.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA864/eddde38ea9fc71c6b7b858c972cffc741a7575e0.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA864/675d418e9fded7afc4bd8bfd22a7619f5caf9198.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA864/990a525edb62597a754ab62c8cd198466db593d3.png)