UVA11665 Chinese Ink

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=78&page=show_problem&problem=2712 [PDF](https://uva.onlinejudge.org/external/116/p11665.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11665/82be70e711e62d7fe3e4eb436b6aebf289585249.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11665/874e3ce2c83eb4f353b4ce262741b25c6106ab91.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11665/5ff4b921741d9fe27ad0269fc73232a9a7d70edf.png)