求助大佬
by Wangyuqi2010 @ 2024-02-25 16:15:38
```cpp
1.coord now=q.front()
2.flag[nf1]=false,flag[nf2]=false;
3.if(nf2<=n&&flag[nf2])
```
by Miss_SGT @ 2024-02-25 16:28:41
谢谢大佬@[Miss_SGT](/user/705012)
by Wangyuqi2010 @ 2024-02-26 12:40:26