>cout<<里面-1就A了
by Guxue @ 2021-06-02 15:47:59
@[Fucker_Chao](/user/434015)
```cpp
if(start<=mid) ans+=query(start,end,lson);
if(end>mid) ans+=query(start,end,rson);
```
mid呢?
by Bowen123 @ 2021-06-02 15:49:30
@[Bowen123](/user/122946) 我写线段树查询区间都是固定的,所以应该不是这里的问题
by Calanosay @ 2021-06-02 15:52:44
@[Guxue](/user/185167) 额,后来发现全wa了
by Calanosay @ 2021-06-02 15:57:42
@[Fucker_Chao](/user/434015) ~~那没事了~~
by Guxue @ 2021-06-02 16:00:52
完结,lazy敲错了,看了我一个下午
by Calanosay @ 2021-06-02 17:53:47