UVA10137 The Trip

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=13&page=show_problem&problem=1078 [PDF](https://uva.onlinejudge.org/external/101/p10137.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10137/c893e6139bffae3cd30ea41c58509eff8b644dda.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10137/86784583e8463d6fa189148080885eb12199695a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10137/a762414219f51b4bbd50cc64679beeef8bd8486b.png)