B. Z.
@pkuzby
China, -
Joined Nov 2018
World Rank: #1537 (19.1 points)
Institution: -
-
Activity over the last year
Effectiveness
- Problems solved
- 63
- Solutions submitted
- 202
China, -
Joined Nov 2018
World Rank: #1537 (19.1 points)
Institution: -
-