xczn's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Polaris.AI Programming Contest 2025（AtCoder Beginner Contest 429） | 3453 | 870 |  64 |
- | ||
| AtCoder Beginner Contest 440 | 2296 | 1243 |  341 |
+277 | ||
| AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) | 3020 | 1121 |  551 |
+210 |