UVA627 The Net

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=568 [PDF](https://uva.onlinejudge.org/external/6/p627.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA627/e943213f8017c67ac93c00aedaf0924c8c871b97.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA627/9ebee253783e9af46d0ab9a7442b3fe4e269d872.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA627/2c5ba571c7ec92531f9fee4b2b375dff05d3c5e5.png)