cost's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 141 | 4061 | 236 | 12 | - | ||
| AtCoder Beginner Contest 142 | 3397 | 483 | 55 | +43 | ||
| AtCoder Grand Contest 039 | 2035 | 273 | 83 | +28 | ||
| AtCoder Beginner Contest 143 | 4433 | 112 | 85 | +2 | ||
| AtCoder Beginner Contest 165 | 10099 | 103 | 86 | +1 |