niNiA's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Panasonic Programming Contest 2025（AtCoder Beginner Contest 406） | 10457 | 103 |  5 |
- | ||
| AtCoder Beginner Contest 407 | 9462 | - | - | - | ||
| AtCoder Beginner Contest 408 | 10142 | 37 | 10 |
+5 | ||
| AtCoder Beginner Contest 409 | 7732 | 327 | 33 |
+23 | ||
| AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) | 9012 | 185 | 50 |
+17 | ||
| AtCoder Beginner Contest 450 | 10239 | 137 | 60 |
+10 | ||
| AtCoder Beginner Contest 456 | 8814 | 170 | 72 |
+12 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 8609 | 164 | 82 |
+10 | ||
| AtCoder Beginner Contest 458 | 10018 | 155 | 90 |
+8 |