UVA12162 打怪物 Shooting the Monster

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=243&page=show_problem&problem=3314 [PDF](https://uva.onlinejudge.org/external/121/p12162.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12162/345021237e5d2dc0a4686a728c9ca4b200350b83.png)

Input Format

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Output Format

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