Doreen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Exawizards Programming Contest 2021（AtCoder Beginner Contest 222） | 6226 | 89 |  4 |
- | ||
| Daiwa Securities Co. Ltd. Programming Contest 2021 (AtCoder Regular Contest 128) | 1821 | 165 | 20 |
+16 | ||
| AtCoder Beginner Contest 223 | 2307 | 845 | 92 |
+72 | ||
| AtCoder Beginner Contest 224 | 4759 | 217 |  108 |
+16 | ||
| UNICORN Programming Contest 2021(AtCoder Beginner Contest 225) | 4556 | 285 | 129 |
+21 | ||
| AtCoder Beginner Contest 226 | 6450 | 9 | 94 |
-35 | ||
| AtCoder Beginner Contest 230 | 5604 | 28 | 79 |
-15 | ||
| M-SOLUTIONS Programming Contest 2021(AtCoder Beginner Contest 232) | 5522 | - | - | - | ||
| AtCoder Beginner Contest 234 | 6911 | 47 | 73 |
-6 |