UVA12880 Book Club

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4745 [PDF](https://uva.onlinejudge.org/external/128/p12880.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12880/cacb06a70d96a0927fc438e585a76a665667988e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12880/9411dad505e3d469022c455025b00851c733cf2f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12880/726e89fbc5988af791be55b6727303f753c50fed.png)