UVA171 Car Trialling

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=107 [PDF](https://uva.onlinejudge.org/external/1/p171.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA171/8fba91d1fa9c55d2ab35381794425e47a041f9d1.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA171/375c1a3ee24961a40bd4a3c1413038ff8d656810.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA171/d465b2584922538b514ea99cb5e1c249fe0df10a.png)