Problems solved: 21
Rank by points: #1789
Total points:
8.44
Contribution points:
141
From Trường THPT chuyên Lam Sơn, Thanh Hóa
This user has not shared any information.Badges & Awards

Bedao team
From Trường THPT chuyên Lam Sơn, Thanh Hóa
This user has not shared any information.Bedao team