Non-academic

QQ: 1015769479

Codeforces: docriz

Atcoder: hdmmblz

bilibili: _Komeiji_Koishi

Touhou MoF(东方风神录) Lunatic No Bomb: video

Touhou SA(东方地灵殿) Lunatic No Bomb: video with tutorial

A previous blog that I no longer update (in Chinese): hdmmblz

ACM-ICPC/CCPC complete records: zhihu

An incomplete list of Algorithm Competition Problems I set: