哪里出错了？

学术版

@[chenxinhao0402](/user/799227) 说明一下具体问题？
by hzoi_Shadow @ 2023-01-31 10:01:07

@[The_Shadow_Dragon](/user/848964) ```cpp for(int i=num;i>=0;i--); printf("%d",a[i]); ``` 这段代码不对，改成 ```cpp for(int i=num;i>=0;i--) printf("%d",a[i]); ```
by hzoi_Shadow @ 2023-01-31 10:02:09

ok
by chenxinhao0402 @ 2023-01-31 10:04:36

![](https://cdn.luogu.com.cn/upload/image_hosting/5zvg2oqc.png?x-oss-process=image/resize,m_lfit,h_170,w_225)
by chenxinhao0402 @ 2023-01-31 10:07:54

@[chenxinhao0402](/user/799227) 你空格呢
by yuanxiuan @ 2023-01-31 10:11:35

啥空格？？？
by chenxinhao0402 @ 2023-01-31 10:16:02

@[yuanxiuan](/user/614716)
by chenxinhao0402 @ 2023-01-31 10:16:23

@[chenxinhao0402](/user/799227) ``` for(int i=num;i>=0;i--) printf("%d",a[i]); ``` 改成 ``` for(int i=num;i>=0;i--) printf("%d ",a[i]); ``` 试试
by yuanxiuan @ 2023-01-31 10:17:02

lz可以仔细阅读题目及输入输出格式
by hzoi_Shadow @ 2023-01-31 10:18:14