joyRio's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 378 | 8030 | 215 |  11 |
- | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 8530 | 214 | 33 |
+22 | ||
| AtCoder Beginner Contest 456 | 8195 | 236 | 57 |
+24 | ||
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 6708 | 427 | 94 |
+37 |