UVA13052 Fisa Flood

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=866&page=show_problem&problem=4950 [PDF](https://uva.onlinejudge.org/external/130/p13052.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13052/6260a7cd2c814dda964f5c13faafd47625fc5168.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13052/b952b0b92a6e35ca1732de9005baee06b5239d03.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13052/bb6f0ff0c67fb7a8ffbd5f4b2cf73ab1fc68f170.png)