UVA10781 Global Positioning System

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1722 [PDF](https://uva.onlinejudge.org/external/107/p10781.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10781/ab84fb2fad210934a57efcb9d8f29047381cbed5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10781/d277ab76db6e4c45b46e177cc76f7013e69c3f5d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10781/c2b01437b7817a9a272d77235bb26bbfc7f7c8ae.png)