UVA10075 Airlines

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=1016 [PDF](https://uva.onlinejudge.org/external/100/p10075.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10075/6b24d44ddb432747386db18f8d8997517436ed71.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10075/c7659cf63bb76ddf67ca0b3b725829f79ca1a787.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10075/fcb0a2a61456e25001c6039ad3f2a85ecc0a7d65.png)