建议加强数据

P5568 [SDOI2008] 校门外的区间

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by Tom俩 @ 2021-08-25 16:04:23

![](https://cdn.luogu.com.cn/upload/image_hosting/1ywj7vnm.png)
by sc84bbs @ 2021-08-25 16:10:14

![](https://cdn.luogu.com.cn/upload/image_hosting/1ywj7vnm.png)
by 东灯 @ 2021-12-10 20:51:15