UVA10066 The Twin Towers

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=1007 [PDF](https://uva.onlinejudge.org/external/100/p10066.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10066/7d3ec58cba83b3e8a47e858bfebc15f7f7deb688.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10066/111a46836fcad919d4376f15176ae4dd3278bc6c.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10066/6c077628de784ec6df977a60bb93350aa28cf77b.png)