你因为共用了同一个节点,所以在以后合并的时候可能会改变q的值
by zzy2333 @ 2020-01-03 12:04:12
刚学OI ???
指咕值48名???
by lzjsy @ 2020-01-03 15:00:10
@[lzjsy](/user/71178)
你谷人均刚学 OI
![](https://cdn.luogu.com.cn/upload/image_hosting/nq5fx11t.png)
by OldDriverTree @ 2023-07-10 08:32:44