UVA11268 Reliable Network

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=24&page=show_problem&problem=2235 [PDF](https://uva.onlinejudge.org/external/112/p11268.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11268/9aac52172150722725cd1dd3bb1b70f44b638d2c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11268/c95b8a750cb69af793cf57b18969240657fa610d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11268/93a33e652482bc1e987f9ad6df26e272e60c077a.png)