AmDer's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 103 | 883 | 995 |  88 |
- | ||
| AtCoder Beginner Contest 179 | 1357 | 1360 |  456 |
+368 | ||
| Sciseed Programming Contest 2021（AtCoder Beginner Contest 219） | 2017 | 1045 |  601 |
+145 | ||
| AtCoder Beginner Contest 221 | 1967 | 1113 |  710 |
+109 |