UVA12926 Trouble in Terrorist Town

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4805 [PDF](https://uva.onlinejudge.org/external/129/p12926.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12926/9498cc88ec380a0061bca2d6da4f20d32fb4b90b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12926/b220557b812ddd926b80b39a062397ee39fc3b73.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12926/126f733dc33240c7a70cc762fc464fd7952bf413.png)