UVA11181 条件概率 Probability|Given

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=23&page=show_problem&problem=2122 [PDF](https://uva.onlinejudge.org/external/111/p11181.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11181/e7ff179b70470ecd5bcdd2c359c9dec606f308e3.png)

Input Format

N/A

Output Format

N/A