UVA1000 Airport Configuration

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=245&page=show_problem&problem=3441 [PDF](https://uva.onlinejudge.org/external/10/p1000.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA1000/fe0fd02823e3035b1e91d6df7368809549186766.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA1000/2bccbf3ade84c3f709b2cc4213a63db693357fb3.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA1000/00fbc250f854d5b482934d29bf11e9cbbeaeddd0.png)