UVA11883 Repairing a Road

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=226&page=show_problem&problem=3005 [PDF](https://uva.onlinejudge.org/external/118/p11883.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11883/fd9af47badaf0e99eb261228acfa8027ee25410b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11883/30beac43f14ed990a1c041a1320d0f8bf9685ef6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11883/be3d45a9e3c89224b9eb1c456cb66682670ce017.png)