好臭,不想看了
by FZzzz @ 2020-05-21 20:23:39
@[FZzzz](/user/174045) 不要啊,就差了一个一个一个一个一个啊啊啊啊
by Episode9 @ 2020-05-21 20:24:49
好臭(
by DeepSkyBlue__ @ 2020-05-21 20:32:59
又臭又长
~~lz再见~~
by 打表大蒟蒻 @ 2020-05-21 20:55:29
@[Voidstruct](/user/37409) 哇,线段树维护前驱后继,i了i了
by Limit @ 2020-05-21 20:57:18
我还以为只有我会这样写呢(
by Limit @ 2020-05-21 20:57:32
@[Limit](/user/86625) O_o
by Episode9 @ 2020-05-21 21:39:23
是insert的锅。。。
by Episode9 @ 2020-05-22 07:01:58
```cpp
inline void insert(int pre,int &root,int i,int x)
{
root=++cnt;
t[root]=t[pre];
t[root].size++;
if (i<0) return;
if ((x>>i)&1) insert(t[pre].rs,t[root].rs,i-1,x);
else insert(t[pre].ls,t[root].ls,i-1,x);
}
```
这样就好了。。。不然0会挂
by Episode9 @ 2020-05-22 07:02:38