happybear21's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 420 | 667 | 1653 |  453 |
- | ||
| AtCoder Beginner Contest 421 | 10247 | 53 |  270 |
-183 | ||
| AtCoder Beginner Contest 422 | 5339 | 79 | 200 |
-70 | ||
| AtCoder Beginner Contest 423 | 106 | 2299 |  984 |
+784 |