@[Paratrooper](/user/318556)
```for(int i=1;i<n;++i)```应该是n-1吧（我没亲测请自己测试
by SIXIANG32 @ 2020-04-03 18:07:35
@[Paratrooper](/user/318556)
```cpp
for(int i=1;i<n;++i)
{
s+=a[i];
}
```
有错
```cpp
double aver=s/num;
```
也有错
by Warriors_Cat @ 2020-04-03 18:07:50
@[Paratrooper](/user/318556) num是double，double/int还是int
by SIXIANG32 @ 2020-04-03 18:08:08
@[Paratrooper](/user/318556) 改完就AC了,[真的](https://www.luogu.com.cn/record/32434501)
by SIXIANG32 @ 2020-04-03 18:09:19
@[SIXIANG](/user/298549) 真正的大佬，%%%，Orz
by liqingyang @ 2020-04-03 18:09:58
@[liqingyang](/user/272088) 不敢不敢，宁才是真正的大佬，宁比我厉害多了，我要ORZ%%%STO%%%ZRO%%%OTZ%%%
by SIXIANG32 @ 2020-04-03 18:10:48
楼主掉线了？
by SIXIANG32 @ 2020-04-03 18:11:22
@[SIXIANG](/user/298549)
之前一直没看回复，今天才看见，太感谢了
by Paratrooper @ 2020-04-06 11:36:21
@[Paratrooper](/user/318556) 不用谢
by SIXIANG32 @ 2020-04-06 11:38:25
@[SIXIANG](/user/298549) 我还是有点迷糊，能具体讲讲吗？
by Paratrooper @ 2020-04-06 11:42:17