UVA521 Gossiping

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=462 [PDF](https://uva.onlinejudge.org/external/5/p521.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA521/ca39819a41f260e159c0b2d11070c169082a7956.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA521/e76ffd6dde03c6684b8274730bd4a71cb93df500.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA521/13bd21011d83eb7b3ec05741b3998a0bf54bf850.png)