UVA13208 Drought In Nlogonia

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5131 [PDF](https://uva.onlinejudge.org/external/132/p13208.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13208/97c6e3f18637d951e85a5a01b18f5bfabf8501fa.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13208/06db6ab15204bae29b639b785f4fa2edbbb39f0f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13208/5639cd67afb3536b8465c20705d313b6f14a604c.png)