UVA11374 Airport Express

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2369 [PDF](https://uva.onlinejudge.org/external/113/p11374.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11374/c61400d5be32aaec938c53d4cbd580a345e72f31.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11374/2df7ca4298fb3a7d07b7c1da74a2cd549f125cec.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11374/c50924b3a09f00d9ac9f781469b698ba8d53da49.png)