UVA11160 Going Together

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=23&page=show_problem&problem=2101 [PDF](https://uva.onlinejudge.org/external/111/p11160.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11160/b2d471e5627d6e77a4502e808ea9807340219fdb.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11160/c983fc02084f06f64315c1bcce1b1fa499be9f72.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11160/75e36c90d0bd8e7410ea5dae9f6f880a4d3b3952.png)