麻烦At一下 谢谢
by linjianju_xi @ 2023-12-16 15:07:18
@[linjianju_xi](/user/839638)
```cpp
#pragma GCC optimize(3)
```
删掉，洛谷设置了手动开 O2/O3 会 CE。
by xiaoshumiao @ 2023-12-16 15:09:11
@[xiaoshumiao](/user/1008513) 感谢
by linjianju_xi @ 2023-12-16 15:11:40
@[xiaoshumiao](/user/1008513) 果然好了 已关
by linjianju_xi @ 2023-12-16 15:12:35
----结----
by linjianju_xi @ 2023-12-16 15:13:07