UVA12242 Electric Needs

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=244&page=show_problem&problem=3394 [PDF](https://uva.onlinejudge.org/external/122/p12242.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12242/9c0036d260d30fc0ad1c4a3857b20c379866702d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12242/a848142fb92ed5277576cec250b9ead4705f2fbd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12242/8dd444e9828069fabd5136bea88a74c3cd20f543.png)