cosmos_'s Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 179 | 2172 | 198 |  10 |
- | ||
| AtCoder Regular Contest 180 | 1154 | 1442 |  272 |
+262 | ||
| AtCoder Regular Contest 181 | 2334 | - | - | - |