[o(╥﹏╥)o](https://www.luogu.com.cn/record/46615326)
by JRE3 @ 2021-02-15 21:00:54
本地运行通过，提交上来就全错了
by JRE3 @ 2021-02-15 21:01:54
~~头像瞩目~~
by ✨杨柳白皮✨ @ 2021-02-15 21:05:36
在柱状图前面不能出现任何空行
试试这个输入：
```
A
A
A
A
```
by hjxhjx @ 2021-02-15 21:06:19
~~头像toby好评~~
by hjxhjx @ 2021-02-15 21:06:36