R_OS's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 151 | 4484 | 238 | 12 | - | ||
| AtCoder Beginner Contest 152 | 4537 | 217 | 35 | +23 | ||
| AtCoder Beginner Contest 153 | 3628 | 560 | 86 | +51 | ||
| AtCoder Beginner Contest 154 | 2852 | 734 | 162 | +76 | ||
| AtCoder Beginner Contest 155 | 6229 | 68 | 137 | -25 |