UVA11326 Laser Pointer

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2301 [PDF](https://uva.onlinejudge.org/external/113/p11326.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11326/65e7579eac4bb43f14a61481d4807bdff9359656.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11326/3f544d8cc0c279b6968f36c8a20b4cc660ec4846.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11326/7f6ebad058ff21483ba98a395bda73fbb113388d.png)