UVA12218 An Industrial Spy

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=244&page=show_problem&problem=3370 [PDF](https://uva.onlinejudge.org/external/122/p12218.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12218/5c7749d6609db54df2d9fb6ad39e9570b27e15ac.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12218/4eba17639bd578d11f49007b7b823101a1c47e44.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12218/edf1918d2683de2e3947c607db7c8560f8aaaf77.png)