@[zym0522](/space/show?uid=104324) 你确定？
by Soledad_S @ 2018-10-27 12:36:39
@[zym0522](/space/show?uid=104324) `for(register int i=1;i<=n-1;i++)`
by WorldBest丶牛顿 @ 2018-10-27 12:37:33
@[WorldBest丶牛顿](/space/show?uid=53164) 布星
by abruce @ 2018-10-27 13:53:33
unsigned long long int
by 违规用户名U227880 @ 2020-10-26 16:50:27
```cpp
for(register int i=1;i<n;i++)
```
by _LUOGU_USER_ @ 2021-02-18 16:10:44