ConcentricRing's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 172 | 885 | 1574 |  375 |
- | ||
| AtCoder Beginner Contest 173 | 770 | 1654 |  871 |
+496 | ||
| ACL Contest 1 | 586 | - | - | - | ||
| AtCoder Beginner Contest 226 | 563 | 1751 |  1123 |
+252 | ||
| KEYENCE Programming Contest 2021 (AtCoder Beginner Contest 227) | 437 | 1871 |  1304 |
+181 |