UVA12637 30 Minutes or Less

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=602&page=show_problem&problem=4385 [PDF](https://uva.onlinejudge.org/external/126/p12637.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12637/e95ab420ff3d56be62ff4a4f5f8f8ec7a0680f4f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12637/e387f1562ef65b678ebca710489e03506df0ada8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12637/b074ac327c3dda0fbb3afafac11b7e25feeb16a1.png)