UVA12058 Highway Monitor

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3210 [PDF](https://uva.onlinejudge.org/external/120/p12058.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12058/8723ba2863b7b646db9b81487e6a9cb387c6b267.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12058/5002a35a24ff143ce6dc946a1e915ff8f4581e34.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12058/98125184a883d999921381fc9261818c19931a85.png)