UVA13055 Inception

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=866&page=show_problem&problem=4953 [PDF](https://uva.onlinejudge.org/external/130/p13055.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13055/2a0f10a6858f0ab5719d134d2d1c0f86f19dd57a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13055/7ffdac3653107cdfe496d1e9a735dff0023ec645.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13055/c7a1b0ba86b078a446efadcef7f18da126d34317.png)