```cpp
printf("%d\n",ask(1,n,1))
```
这里应该是 ```%lld```
by what_else @ 2023-09-10 17:13:56
@[Guizy](/user/604906)
by what_else @ 2023-09-10 17:16:16
@[what_else](/user/539495) 这些是我刚刚临时改的 long long ,还有其他错误吗
by Guizy @ 2023-09-10 17:21:20