@[和国家干部](/user/474235) 将
```cpp
return sum/len*1.0;
```
改为
```cpp
return sum*1.0/len;
```
by Dr_Gilbert @ 2022-04-22 21:13:32
@[和国家干部](/user/474235) `sort(point+1,point+1+n);`
应该为
`sort(point+1,point+1+m);`
如果我说错了当我没说
by pengzy___ @ 2022-04-22 21:17:42