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col1apse's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Polaris.AI Programming Contest 2025（AtCoder Beginner Contest 429） | 9532 | - | - | - | ||
| AtCoder Grand Contest 075 | 340 | - | - | - | ||
| AtCoder Beginner Contest 438 | 9378 | 56 |  3 |
- | ||
| AtCoder Beginner Contest 440 | 10207 | 48 | 8 |
+5 | ||
| AtCoder Regular Contest 212 (Div. 2) | 1178 | - | - | - | ||
| AtCoder Beginner Contest 441 (Promotion of Engineer Guild Fes) | 1144 | 1570 |  232 |
+224 | ||
| AtCoder Regular Contest 214 | 1384 | - | - | - | ||
| AtCoder Beginner Contest 445 | 758 | 1699 |  676 |
+444 | ||
| AtCoder Beginner Contest 446 | 863 | 1621 |  905 |
+229 | ||
| AtCoder Beginner Contest 447 | 193 | 2162 |  1227 |
+322 | ||
| AtCoder Beginner Contest 448 | 202 | 2104 |  1410 |
+183 | ||
| AtCoder Beginner Contest 449 | 881 | 1658 | 1446 |
+36 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 9769 | - | - | - | ||
| Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) | 152 | 2260 |  1597 |
+151 | ||
| AtCoder Beginner Contest 460 | 11116 | - | - | - | ||
| AtCoder Beginner Contest 463 | 10601 | - | - | - |