P3374 【模板】**树状数组** 1
by lndjy @ 2020-04-24 15:07:01
@[水题淹死的鱼](/user/196899) 咋啦
by 9u46 @ 2020-04-24 15:07:44
我发个标程您看行吗,@[你的王子](/user/95736)
by Na2PtCl6 @ 2020-04-24 15:11:21
@[你的王子](/user/95736) 您是......我见过的王子太多,我记得我见过您
by liqingyang @ 2020-04-24 15:11:30
@[DarwinLuo](/user/289944) 我有标程(题解),但是我就不知道我哪错了/zk
by 9u46 @ 2020-04-24 15:12:40
@[Warriors_Cat](/user/147999) 那是咋样啊/youl
by 9u46 @ 2020-04-24 15:13:03
哦不是上传是对的,是这一行:
```cpp
due(node,xug);
```
by Warriors_Cat @ 2020-04-24 15:13:37
还有这里:
```cpp
if(mid<=qr) ans+=chax(mid+1,r,ql,qr,rc(node));
```
改成:
```cpp
if(mid<qr) ans+=chax(mid+1,r,ql,qr,rc(node));
```
by Warriors_Cat @ 2020-04-24 15:14:40
@[Warriors_Cat](/user/147999) 哦,谢谢
by 9u46 @ 2020-04-24 15:14:54
@[Warriors_Cat](/user/147999) 所以这行咋啦。。
by 9u46 @ 2020-04-24 15:15:39