UVA12323 Inspecting Radars

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3745 [PDF](https://uva.onlinejudge.org/external/123/p12323.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12323/dc7522de18c488943edbfc79b66869d8ce7efda1.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12323/dcc441c535f0afe43224a744c5c3c78d19bc4512.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12323/e9a076ed3ab07fff8a5155cb5c29b66dd942f1ae.png)