UVA11857 Driving Range

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=226&page=show_problem&problem=2957 [PDF](https://uva.onlinejudge.org/external/118/p11857.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11857/2709e49b747331fb988dfbaaeda998225b221297.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11857/6781c0ba5adb85a9af9e7563d2da12d97b3666dd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11857/a5a298f49b34d1f7100ff2c9c30ea9645fbd2872.png)