UVA11822 Configurations

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=226&page=show_problem&problem=2922 [PDF](https://uva.onlinejudge.org/external/118/p11822.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11822/12fc5259d8d28c1e31467af80e4fd2dc9b488c06.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11822/05d4c004cbc3a019780b5b4cc4439a01dd10deae.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11822/f0ebc6d309c77653b4da7aae6f41fee578204d58.png)