编不出hack数据,求谷友帮忙调一下
by Super_excavator @ 2023-02-02 13:20:06
```plain
3
1 1 2
```
by denominator @ 2023-02-02 13:25:04
@[jiangshuhong](/user/590609) 按照上述数据,你会对一个 $1$ 加上 $1$ 变成 $2$,但是因为有 $2$ 元素数量依然不变。
by denominator @ 2023-02-02 13:27:36
题面:
![](https://cdn.luogu.com.cn/upload/image_hosting/nall0bzr.png)
by Eznibuil @ 2023-02-02 13:30:45