Hi! I’m WD, a sophomore computer science student at Hangzhou Dianzi University with a focus on algorithms and competitive programming.
About the handle
- Default:
_WD_, often stylized as WD with a single underline. - When leading/trailing underscores aren’t allowed (e.g., GitHub), it appears as
0WD0.
Competitive programming
- Codeforces: WD
- AtCoder: W_D
- Highlights:
Gold medal in 2025CCPC Harbin site, and a few silver medals.
Tools I love
- Emacs as my daily driver; configuration is tuned for fast coding and note-taking.
- org-roam for building a networked knowledge base—this site is published from those notes.
- Jujutsu.
Notable open source projects
- majutsu - Emacs interface for jujutsu inspired by magit
- More on my profile: github.com/0WD0
What you’ll find here
- Fresh contest write-ups, Emacs/org-roam tips, and distilled algorithm notes.
- Occasional deep dives into how I structure knowledge and automate workflows.
- Feel free to reach out:
my email