https://www.luogu.org/discuss/show/48491
https://www.luogu.org/discuss/show/92685
by Kuriyama_Mirai @ 2019-07-10 10:42:51
@[Harry__James__Potter](/space/show?uid=92066) 谢谢！
by JonNotFound @ 2019-07-10 10:44:39
>2019年洛谷日报索引：https://www.luogu.org/discuss/show/92685
2018年洛谷日报索引：https://www.luogu.org/discuss/show/48491
by 言和YanHe @ 2019-07-10 11:10:57
要人有？
by Azazеl @ 2019-07-10 13:30:56