为什么难度降低了0.0

P1220 关路灯

表述清楚一点
by Ally_unstoppable @ 2016-12-04 13:04:54


[pi c=10](请去掉i和c之间的空格)
by hfyzw @ 2017-04-14 12:08:26


![](https://cdn.luogu.com.cn/upload/pic/10.png)
by xyc1719 @ 2017-06-01 15:58:27


![](https://cdn.luogu.com.cn/upload/pic/10.png)
by 幻想乡的路人 @ 2017-06-07 12:06:31


![](https://cdn.luogu.com.cn/upload/pic/11.png)
by 幻想乡的路人 @ 2017-06-07 12:06:53


![](https://cdn.luogu.com.cn/upload/pic/100.png)
by 幻想乡的路人 @ 2017-06-07 12:07:17


![](https://cdn.luogu.com.cn/upload/pic/200.png)
by 幻想乡的路人 @ 2017-06-08 19:16:13


![](https://cdn.luogu.com.cn/upload/pic/1000.png)
by 幻想乡的路人 @ 2017-06-08 19:16:31


![](https://cdn.luogu.com.cn/upload/pic/1.png)
by 幻想乡的路人 @ 2017-06-08 19:17:43


![](https://cdn.luogu.com.cn/upload/pic/1.png)
by Snitro @ 2017-06-11 08:55:52


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