UVA12842 The Courier Problem

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4707 [PDF](https://uva.onlinejudge.org/external/128/p12842.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12842/fe7d118f19b7aa637b2abbdd704d94c6af556aed.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12842/46401090b90938ea02f5688afb5f4756d5871790.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12842/d3f25a29a93732cdca7f6b1c1b16fe648ead64e3.png)