UVA11362 Phone List

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=25&page=show_problem&problem=2347 [PDF](https://uva.onlinejudge.org/external/113/p11362.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11362/86a9ad22547794c86c707c6301a3959ca76cfd43.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11362/d5bf45fcc4bdcc7e676e655a36dda7a794b189af.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11362/da40d07a03794e91297b87d8a38934cf0ee2e2e4.png)