UVA10807 Prim

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1748 [PDF](https://uva.onlinejudge.org/external/108/p10807.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10807/5b79eac9bcfa9ec7594dd678e57ab794f14fdca0.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10807/fb2f43fcc618b3f62ce40b2b708b59eb950edaeb.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10807/14d1e848679de609965bd95cc133c9c2f4101b63.png)