M_Ridea's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 209 (Div. 1) | 662 | - | - | - | ||
| OMRON Corporation Programming Contest 2025 #2 (AtCoder Beginner Contest 432) | 8996 | 82 |  4 |
- | ||
| AtCoder Beginner Contest 433 | 7339 | 344 | 30 |
+26 | ||
| Ｓｋｙ Inc, Programming Contest 2025 (AtCoder Beginner Contest 434) | 7338 | - | - | - | ||
| AtCoder Beginner Contest 435 | 9006 | 143 | 44 |
+14 | ||
| JPRS Programming Contest 2026#1 (AtCoder Beginner Contest 442) | 9748 | - | - | - | ||
| AtCoder Beginner Contest 452 | 8776 | - | - | - | ||
| AtCoder Beginner Contest 453 | 8667 | - | - | - | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 9422 | 121 | 54 |
+10 |