User nv2otp
Problems solved: 2
Rank by points: #733
Total points:
666.55
Contribution points:
0
Points breakdown
Uncategorized (570 points)
| Problem | Score |
|---|---|
| Số bất thường | 500 / 500 |
| Số tăng-giảm xen kẽ | 70 / 100 |