UVA12680 Shopping Malls

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=602&page=show_problem&problem=4418 [PDF](https://uva.onlinejudge.org/external/126/p12680.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12680/edc123e2bf297bd5051aab64c3d719edd4757a7d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12680/13f08e9784cb6d2d255cd0b352698158d0a9e96d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12680/5155cfbb1306271fcbbfd640b8d794de68f2b51c.png)