UVA11578 Situp Benches

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=27&page=show_problem&problem=2625 [PDF](https://uva.onlinejudge.org/external/115/p11578.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11578/191cf6199adf2dcf2868d4ea90f04fdc7d49b04b.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11578/b30d27a8f5c3ededdb5aa49b7bb8557e8e598547.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11578/6f5424a20d4810beafb940893952ad2594712b71.png)