Usijima's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| HHKB Programming Contest 2022（AtCoder Beginner Contest 235） | 7004 | 114 | 6 | - | ||
| HHKB Programming Contest 2022 Winter(AtCoder Beginner Contest 282) | 6286 | 149 | 20 | +14 | ||
| HHKB Programming Contest 2023(AtCoder Beginner Contest 327) | 7946 | 209 | 40 | +20 |