这也能称得上蓝题？

P3957 [NOIP2017 普及组] 跳房子

~~路过一只蒟蒻~~
by Warriors_Cat @ 2019-08-11 13:56:04

@[小粉兔](/space/show?uid=10703) %%%%%%%%
by optimize_3 @ 2019-08-11 13:56:20

@[小粉兔](/space/show?uid=10703) ![](https://cdn.luogu.com.cn/upload/pic/62025.png)
by xht @ 2019-08-11 13:56:30

orz
by Warriors_Cat @ 2019-08-11 13:56:46

@[xht37](/space/show?uid=100544) ~~%%%~~
by Frozencode @ 2019-08-11 13:56:52

@[STEE_HZY](/space/show?uid=164317) 不是禁止头像动图么
by xht @ 2019-08-11 13:56:56

![](https://cdn.luogu.com.cn/upload/pic/57782.png)
by xht @ 2019-08-11 13:57:32

~~水印说明还在Luogu 3.0状态~~
by Warriors_Cat @ 2019-08-11 13:58:37

@[xht37](/space/show?uid=100544) 明天才?
by optimize_3 @ 2019-08-11 13:59:26

楼上（指Alpha）正解，Luogu的难度大部分都是虚高吧
by lightup37 @ 2019-08-11 14:01:12