UVA684 Integral Determinant

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=625 [PDF](https://uva.onlinejudge.org/external/6/p684.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA684/4b8df513aa3bdd7be733531d841538f5a1951257.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA684/859cc32aa59a79ffff3bed4e15dbc7b37ee8b752.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA684/a1dfdb9c8f952f998adf0e9cce6155d89e225337.png)