UVA12061 Overlaying Maps

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=242&page=show_problem&problem=3213 [PDF](https://uva.onlinejudge.org/external/120/p12061.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12061/2e26556f2d05d37ffb163d39f8bd256f73a7a2bf.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12061/68199c0b908a868e90102c331f4a54efa2d0ad08.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12061/7d4ee8badd13a6c6e29a774ceb47ab9e19d02133.png)