2019-C13
从 Trac 迁移的文章
这是从旧校内 Wiki 迁移的文章，可能存在一些样式问题，您可以向 memset0 反馈。
原文章内容如下：
= Platform =
[http://opentrains.snarknews.info/~ejudge/team.cgi?contest_id=010454 Opentrains]
= Ranklist =
[http://opentrains.snarknews.info/~ejudge/showres.cgi?data=results_zju_10454.dat Opentrains]
= Upsolving =
[http://opentrains.snarknews.info/~ejudge/team.cgi?contest_id=010454 Opentrains]
= Solution =
* [https://www.youtube.com/watch?v=lotwdEK6DUU Official solution video]
* [http://clatisus.com/XIX%20Open%20Cup%20named%20after%20E.V.%20Pankratiev.%20Grand%20Prix%20of%20America,%20Division%201 Nonsense Time]
* [https://wiki-calabash.icpc.camp/XIX%20Open%20Cup%20named%20after%20E.V.%20Pankratiev.%20Grand%20Prix%20of%20America Calabash]