UVA11315 Attacker

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2290 [PDF](https://uva.onlinejudge.org/external/113/p11315.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11315/1af741e3c3a5c4ea59297d07b394c36a8f64dd1b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11315/50a76a4196080c4e656cbe9941e73f68ad6a8000.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11315/9fe7a0e7a71b4f3ae0a98f0b728c0432939c1caa.png)