UVA977 Old West Rumours

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=11&page=show_problem&problem=918 [PDF](https://uva.onlinejudge.org/external/9/p977.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA977/7e7fc44bc83cdd1d96e8c1966644b46a1c139c1c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA977/4f89db7a660deb93b9a754ca16c15ff977a8417d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA977/04724f55a7697706a7a96211bc6eeaddf31fe41a.png)