UVA11568 Pincer Attack!!

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=27&page=show_problem&problem=2615 [PDF](https://uva.onlinejudge.org/external/115/p11568.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11568/bb1180eb95db63d001628133272071dd9294d9ae.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11568/bdaff56146da3a7788009304a21336b7e23d27b8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11568/81ea40b62e121b1c092d0b26ccaddabb162e90a0.png)