UVA12379 Central Post Office

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3801 [PDF](https://uva.onlinejudge.org/external/123/p12379.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12379/0d597121f2e4a4b726b7ec23d9ba5ce970c812f9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12379/0baf653f0d0371440625eb19716e429b821749f6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12379/8a67287aabdfd2e02ae23a66ae631608380b23cb.png)