UVA12417 公式编辑器 Formula Editor

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3848 [PDF](https://uva.onlinejudge.org/external/124/p12417.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12417/6ef02a6c51867a56fc853586579333021c62c404.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12417/68f0ecb462dced91d72e6ad68b6c9141328f16da.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12417/fc986db6287e50ef8acf0d2c0e53e0d898c4a124.png)