Harashin's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 166 | 1609 | - | - | - | ||
| Japan Registry Services (JPRS) Programming Contest 2023 (AtCoder Beginner Contest 324) | 9036 | - | - | - | ||
| AtCoder Beginner Contest 376 | 9988 | - | - | - | ||
| TOYOTA SYSTEMS Programming Contest 2024（AtCoder Beginner Contest 377) | 5692 | 373 |  19 |
- | ||
| AtCoder Beginner Contest 378 | 9374 | 50 | 24 |
+5 | ||
| AtCoder Beginner Contest 408 | 7016 | 346 | 55 |
+31 | ||
| Denso Create Programming Contest 2025（AtCoder Beginner Contest 413） | 8335 | 188 | 71 |
+16 | ||
| Mirrativ Programming Contest 2025 (AtCoder Beginner Contest 414) | 6509 | 461 |  108 |
+37 | ||
| AtCoder Beginner Contest 416 | 4197 | 840 | 187 |
+79 |