Problems solved: 12
Rank by points: #5417
Total points:
2.67
Contribution points:
0
From Trường THPT chuyên Nguyễn Trãi, Hải Dương
This user has not shared any information.From Trường THPT chuyên Nguyễn Trãi, Hải Dương
This user has not shared any information.