Best 3 Oi Training Open Source Projects

OI Wiki

:star2: Wiki of OI / ICPC for everyone. （某大型游戏线上攻略，内含炫酷算...

Oi Slides

我的信息学竞赛讲课课件

OI Source

OI代码仓库、复习笔记、代码模板、本地Judger