UVA10670 Work Reduction

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1611 [PDF](https://uva.onlinejudge.org/external/106/p10670.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10670/b03c82db004c769a2eb8a6d0fe0ea352d6948b31.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10670/3bf9d6627c0a66aeae1d5423f332403bcae2b630.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10670/c5d45f3c897ec750323ca471e0f64a22c658e4fb.png)