UVA10915 War on Weather

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1856 [PDF](https://uva.onlinejudge.org/external/109/p10915.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10915/71cc3776a62002f73af7b32f17e57d5acd8ed972.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10915/ae927714d455f412d78dfa5f3f6a98f24d3f4f29.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10915/50ed05410d4457083f58f9b06a3cf70ebc0e98b0.png)