And this problem is: Given N and K, you need to find (Largesumlimits_{0}^{N}L_i^K)And Agaki needs your help.

(Largesumlimits_{0}^{N}L_i^K)？？乱码？

请换其他浏览器查看

乱码部分是，求和，0-N 每个 Li的K次方。