UVA10800 Not That Kind of Graph

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1741 [PDF](https://uva.onlinejudge.org/external/108/p10800.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10800/a5dc98f647b4ff2a45c47287f914732607e56b17.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10800/760103c5045be344ff5f2439bcec8e8268c8926e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10800/966d9ef7ca3d10aeaaa892086dba5fcde66737aa.png)