koala_dot's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 7440 | 306 |  15 |
- | ||
| AtCoder Beginner Contest 460 | 6297 | 660 | 80 |
+65 |