UVA10619 Advanced Causal Measurements

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1560 [PDF](https://uva.onlinejudge.org/external/106/p10619.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10619/4d16216df9c16616f6509894aad339437f7f2c1d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10619/41c7fd9ca7bb4128f3cac0f969a8a3e8619d360b.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10619/533b2a3884ec2f8c4ac0e07eb9ed04a003bff14e.png)