楼上正解
这样膜
```cpp
(ksm(m,n)%p-m*ksm(m-1,n-1)%p+p)%p);
```
by Rye_Catcher @ 2018-09-10 18:12:12
谢谢！orz大佬
by 966123anyunchuan @ 2021-05-23 19:06:48
卡好久谢谢大佬
！！
by bingxin @ 2023-03-12 15:29:05