UVA12353 Fence Making

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3775 [PDF](https://uva.onlinejudge.org/external/123/p12353.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12353/b14d87cb8d4899eebdef436f9b9be6513ba2b48b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12353/ca901f5f9562ca3797e7f281a6cff4335917c975.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12353/86e55e09fac2537ae2f38ae48fde06df4348e7ac.png)