你的程序输出就是三啊
by fzwfzwfzw @ 2019-11-11 16:49:51
@[一念之间、、](/user/174399)
的确输出的是`4`呀
![image.png](https://i.loli.net/2019/11/11/QNa9yq5j2O7fPlt.png)
by Priori_Incantatem @ 2019-11-11 16:52:16
我的c++告诉我这是 三
by fzwfzwfzw @ 2019-11-11 18:07:57
![](https://www.luogu.org/image?page=1&_t=1573466936368)
by fzwfzwfzw @ 2019-11-11 18:09:25
[这是图片](https://www.luogu.org/image?page=1&_t=1573466936368)
by fzwfzwfzw @ 2019-11-11 18:09:50
@[_Wolverine](/user/120362) vis数组每次重定义要全部归零
by LZDQ @ 2019-11-12 12:34:44