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

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Output Format

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