Ccbdr's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 436 | 6522 | - | - | - | ||
| AtCoder Beginner Contest 449 | 8506 | - | - | - | ||
| AtCoder Beginner Contest 450 | 6792 | 546 |  29 |
- | ||
| AtCoder Beginner Contest 456 | 5014 | 757 |  119 |
+90 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 9712 | - | - | - |