SDOI's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 154 | 2017 | 170 | 8 | - | ||
| AtCoder Regular Contest 157 | 2361 | 173 | 27 | +19 | ||
| AtCoder Beginner Contest 291（Sponsored by TOYOTA SYSTEMS） | 6880 | 44 | 29 | +2 | ||
| AtCoder Beginner Contest 297 | 6684 | 50 | 31 | +2 |