UVA11968 In The Airport

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=229&page=show_problem&problem=3119 [PDF](https://uva.onlinejudge.org/external/119/p11968.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11968/2a920c2e51235f492392e68dbb4f97c37cccac30.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11968/27d4de6bc56d5b8a171f20c57f9758c97992151b.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11968/183c670991ac92b0ef6d4b2d0b9fbf4fe95c82a0.png)