>?
by LV06 @ 2022-01-15 08:49:20
???
by LYqwq @ 2022-01-15 09:15:55
>模仿例题，打印出不同方向的正方形，然后打印三角形矩阵。**中间有个空行**
by shiwei06232 @ 2022-01-15 09:37:55
> ??????
by chubei_AC @ 2022-01-15 09:53:50
@[zyz620](/user/623291) 如果您的帖子是这样的，建议您把帖名改成“警示后人”
by Escapism @ 2022-01-15 10:01:06