kostka's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 081 | 144 | 2253 | 1053 | - | ||
| AtCoder Beginner Contest 105 | 53 | - | - | - | ||
| AtCoder Beginner Contest 123 | 377 | 1512 | 1177 | +124 | ||
| AtCoder Beginner Contest 131 | 143 | 2114 | 1451 | +274 | ||
| AtCoder Beginner Contest 139 | 4 | 2400 | 1702 | +251 |