UVA12854 Automated Checking Machine

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4719 [PDF](https://uva.onlinejudge.org/external/128/p12854.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12854/2bb914cf74800949db14d8b4d6a026c3755895e6.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12854/289714074e78bc7cf17ffb996c661f45ea9cdd2e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12854/161297d0e06b04d968eda348bc35583fae74c6ca.png)