ckain's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| HHKB Programming Contest 2023(AtCoder Beginner Contest 327) | 307 | 2068 |  868 |
- | ||
| AtCoder Grand Contest 066 | 421 | - | - | - | ||
| UNIQUE VISION Programming Contest 2024 Summer (AtCoder Beginner Contest 359) | 10735 | - | - | - | ||
| AtCoder Regular Contest 180 | 251 | 2249 |  1421 |
+553 | ||
| Panasonic Programming Contest 2025（AtCoder Beginner Contest 427） | 9081 | 52 |  1160 |
-261 |