butasan's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 281 | 7112 | 127 | 6 | - | ||
| HHKB Programming Contest 2022 Winter(AtCoder Beginner Contest 282) | 7065 | 81 | 16 | +10 | ||
| AtCoder Regular Contest 154 | 2017 | 170 | 32 | +16 | ||
| AtCoder Regular Contest 157 | 2361 | 173 | 47 | +15 | ||
| AtCoder Beginner Contest 291（Sponsored by TOYOTA SYSTEMS） | 5683 | 229 | 66 | +19 | ||
| AtCoder Beginner Contest 292 | 6697 | 141 | 75 | +9 |