UVA10661 The Perspectographer

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1602 [PDF](https://uva.onlinejudge.org/external/106/p10661.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10661/26e6633e774fc764a6ef63d925060313f165ba9d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10661/a8310d996da5b91756b0ac3a8587e8139e4ba7b8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10661/6f07f9703eac6e0f35038a2d6718c88e8d172f40.png)