啥叫双倍经验？
by WSEDSWZD @ 2018-05-15 20:51:46
@[WSEDSWZD](/space/show?uid=66141)
有关双倍经验可以看看[这个讨论](https://www.luogu.org/discuss/show/31299)和[这个讨论](https://www.luogu.org/discuss/show/19866)。
by Loner_Knowledge @ 2018-05-15 22:18:57
才发现忘了@管理员...
@[chen_zhe](/space/show?uid=8457) , @[yjjr](/space/show?uid=5088)
by Loner_Knowledge @ 2018-05-15 22:21:06
@[Loner_Knowledge](/space/show?uid=78044) 已修改P2812标题，P2716为USACO原题，所以不算双倍经验
by yjjr @ 2018-05-16 17:59:48