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 |