UVA10052 Inviting Politicians

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=993 [PDF](https://uva.onlinejudge.org/external/100/p10052.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10052/f99fe4adac43dfcb910918845e36a2a4ecc53810.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10052/baf76bc63ba16799cdfeb070091e3f2895ac9094.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10052/7018e9a3d629239f569623c3e9f55e2c6c1d04bf.png)