UVA766 幂之和 Sum of powers

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=9&page=show_problem&problem=707 [PDF](https://uva.onlinejudge.org/external/7/p766.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA766/eccdca19ea48a03473099abc32ce9a478d930719.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA766/de05c466b16f9ce2e9320f09b019116b43179b05.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA766/988a3dd91dc8d259966579c712973414482a60cf.png)