UVA11527 Morning Walk

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=27&page=show_problem&problem=2522 [PDF](https://uva.onlinejudge.org/external/115/p11527.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11527/631f702404a6dd068369bc33765aa3fa4e4326b9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11527/f3661481ef9727b2b43c5e2cccb4f6dba9b8f8f9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11527/620c9c12968eb1c53a4bbdca423136ba4c294b3f.png)