UVA10897 Travelling Distance

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1838 [PDF](https://uva.onlinejudge.org/external/108/p10897.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10897/bd7777d427c940a9ec81d3a7d17ed16017668940.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10897/4d747b2f8ac65b6987ee011869ca64743e571904.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10897/10a6474c7614c5da816b11397e56a7710a17da69.png)