UVA10936 Land surveyor's job

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1877 [PDF](https://uva.onlinejudge.org/external/109/p10936.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10936/0a811f29f3bfbd3bda5565fd7663c2ee50295121.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10936/b06daa9b2a747df5106c1d3f13f3f70dd50629dc.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10936/ea46304c03a863efc2c9f5d323dcb42f78d6cb40.png)