liu ziyang
@leo_jam
China, ChengDu
Joined Sep 2018
World Rank: #11944 (2.9 points)
Institution: SDZX
Activity over the last year
Effectiveness
- Problems solved
- 26
- Solutions submitted
- 103
China, ChengDu
Joined Sep 2018
World Rank: #11944 (2.9 points)
Institution: SDZX