chen2026's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 456 | 8961 | 154 |  8 |
- | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 9364 | 109 | 20 |
+12 |