UVA11458 Hot Spot

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=26&page=show_problem&problem=2453 [PDF](https://uva.onlinejudge.org/external/114/p11458.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11458/c898bf9334ffae05092204b38083817da0f83879.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11458/cba35f7d09f1994f343e9778c608407150a22fb6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11458/ef7b0346970d6a384bbdbbf6eeebf0e169a9c2de.png)