riverb's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 8220 | 202 |  10 |
- | ||
| AtCoder Beginner Contest 473 | 7517 | 396 | 46 |
+36 |