UVA10480 Sabotage

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=16&page=show_problem&problem=1421 [PDF](https://uva.onlinejudge.org/external/104/p10480.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10480/be168788106cc7f11c50793670653044ef2e963a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10480/a5afa1619fda5f7d50dfcbd6aab9dc687ff2c71f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10480/bb717967a9803ae190f792576e45d26a9efab90d.png)