Welcome to My Homepage

Projects, questionable experiments, and an archive of competitive-programming history.

Check out my blog, 67 Hall of Fame, or 61/67 Research Division.

★ 67 Hall of Fame — 20-second video leaderboard 🧪 61/67 Research Division ✍️ Henry's Blog

OI / competitive programming archive

🏆 ORAC Leaderboards++ 📊 ORAC2 Analytics 🪦 Speed Online Judge (retired)