UVA11850 Alaska

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=226&page=show_problem&problem=2950 [PDF](https://uva.onlinejudge.org/external/118/p11850.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11850/f859558fb870766e57034e8d1c9020916cd1b776.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11850/52a392a0f69e5e995ffddeef372b85a2ade9d5b9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11850/a46a1a23638f7487dcd35a87f5af7ef9644718b1.png)