UVA10704 Traffic!

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1645 [PDF](https://uva.onlinejudge.org/external/107/p10704.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10704/3222a2fd29b91bd77e6131ec07007f8aaf6248d1.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10704/4dcadbaaef48cb0c89dee5477219e52a957cc46a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10704/d1c7fcddc36a43a6fe36c48ce0849fb985e1c9ec.png)