UVA10449 Traffic

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=16&page=show_problem&problem=1390 [PDF](https://uva.onlinejudge.org/external/104/p10449.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10449/8dfc41cf1c0454d3429bcde0825d50c7378b6622.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10449/0c451b6d7d0a0d7594f5faad6226d4719decdddf.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10449/4003af1d48b810a74af2f3bc91fcf6ef8a64fd67.png)