UVA11471 Arrange the Tiles

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=26&page=show_problem&problem=2466 [PDF](https://uva.onlinejudge.org/external/114/p11471.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11471/b717c2618540c60edad2a25a95599e52ca2a5b77.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11471/56df98fa0cebbfa99678e567b740f881fd00c559.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11471/39e4754158cc3cd01fafaaf6b22f6fe19300cbdf.png)