UVA10818 Dora Trip

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1759 [PDF](https://uva.onlinejudge.org/external/108/p10818.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10818/8b3bae33a8afaa0528e9bfda9ed35ad2f404357b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10818/270d57d36f960a8f786ce6a520332f3877d2b4df.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10818/dbbdf06b8448f171f2235f19af17ed937d256a18.png)