UVA13163 Passwords

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5063 [PDF](https://uva.onlinejudge.org/external/131/p13163.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13163/f68b1cc78f4c6b99609a60178f95bbb0e089f19a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13163/b45baba65148ac6158e6d5993931b57aac6d2c47.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13163/8755b63716bf6cdffb2c1782a7c03c8aef20e419.png)