UVA217 Radio Direction Finder

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=153 [PDF](https://uva.onlinejudge.org/external/2/p217.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA217/0b08db1a73d11f996e1b476866210795b15d9ea9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA217/c5f54fea1e8ff2ba4550117085716cdd93116448.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA217/c411b4e223671bf0780b2ea867daaa01016c8d57.png)