codein's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 1863 | 1342 |  210 |
- | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 3185 | 1068 |  460 |
+250 | ||
| AtCoder Beginner Contest 475 | 2371 | 1290 |  693 |
+233 | ||
| JIJ Programming Contest 2026（AtCoder Beginner Contest 476） | 1923 | 1286 |  825 |
+132 | ||
| UNICORNProgramming Contest2026(AtCoder Beginner Contest 477) | 4749 | 830 | 815 |
-10 |