@[zhouyexuan](/user/661595) 这个发学术不是很正常吗？
by mamingxiao @ 2022-05-23 20:31:18
@[StayAlone](/user/409236)
```plain
1
1
2
1
1 1
Your Output:
Yes
Std Output:
No
```
by Loser_King @ 2022-05-23 20:32:45
@[Loser_King](/user/159686) [过了，没考虑未出现的情况。](https://atcoder.jp/contests/abc250/submissions/31918648)
thx！
by StayAlone @ 2022-05-23 20:37:47