UVA12653 Buses

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=602&page=show_problem&problem=4382 [PDF](https://uva.onlinejudge.org/external/126/p12653.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12653/988a8981307ad4f4499db328ff6377d3fa68afe8.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12653/222cde5893c4e009c91b987101ce88b2fb0e0022.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12653/bd3656ff73cd10390f2d6cfbdca7917ab4b04fea.png)