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Chengzeen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Panasonic Programming Contest 2025（AtCoder Beginner Contest 406） | 10973 | 85 |  4 |
- | ||
| AtCoder Beginner Contest 407 | 10909 | - | - | - | ||
| AtCoder Beginner Contest 409 | 10584 | - | - | - | ||
| AtCoder Beginner Contest 410 | 9487 | - | - | - | ||
| UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) | 6599 | 303 | 28 |
+24 | ||
| AtCoder Beginner Contest 412 | 8597 | - | - | - | ||
| AtCoder Beginner Contest 418 | 7527 | 353 | 60 |
+32 |