2025
- 11-04 Poisson Distribution
- 11-03 Beyond the Ballot Box — Lattice Paths under Piecewise Linear Boundaries
- 10-25 A Random Thought on Sum of Geometric Series Inspired by an Easy Probability
- 10-21 [Notes] - 50 Challenging Problems in Probability
- 10-20 [Notes] - Competitive Programming 4
- 10-20 [Notes] - Guestimathon
- 10-20 Road to Jane Street
- 10-10 健身打卡
- 02-06 [CF] 520B - Two Buttons
- 01-27 [CF] 279B - Books