SongRunchen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Polaris.AI Programming Contest 2025（AtCoder Beginner Contest 429） | 9532 | - | - | - | ||
| AtCoder Beginner Contest 444 | 4536 | 906 |  71 |
- | ||
| AtCoder Beginner Contest 452 | 5234 | 772 |  185 |
+114 | ||
| Keysight Technologies Programming Contest（AtCoder Beginner Contest 454） | 5659 | 596 |  248 |
+63 | ||
| Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) | 6347 | 601 |  300 |
+52 |