CO21's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 460 | 10310 | 157 |  8 |
- | ||
| AtCoder Beginner Contest 461 | 9479 | 236 | 30 |
+22 | ||
| AtCoder Beginner Contest 466 | 9082 | 240 | 54 |
+24 | ||
| AtCoder Beginner Contest 467 | 8272 | 344 | 85 |
+31 | ||
| AtCoder Beginner Contest 469 | 9092 | 216 |  100 |
+15 |