UVA695 Placing the Ops

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=636 [PDF](https://uva.onlinejudge.org/external/6/p695.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA695/f9495de9b9a5b5318f89ca14e6d8ce4e5ea26a32.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA695/915b00e1a496f409b99a1c5138f34e28923de755.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA695/c79a2e2e7f8c2f0a63f6e2f0e3fa8a71b5206080.png)