UVA11310 Delivery Debacle

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2285 [PDF](https://uva.onlinejudge.org/external/113/p11310.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11310/58f499d3fc20a90e7dc18c58d27fceee9395e3af.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11310/897be2c2e106f48ae30b5881b98bb9d25c626bdd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11310/4b720abd81cab1d8fc3331772b51d58ed399c645.png)