Columbia's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 174 | 2167 | - | - | - | ||
| AtCoder Beginner Contest 349 | 5216 | 635 |  36 |
- | ||
| AtCoder Beginner Contest 353 | 4716 | 775 |  135 |
+99 | ||
| AtCoder Beginner Contest 356 | 11583 | 47 | 103 |
-32 | ||
| Denso Create Programming Contest 2024（AtCoder Beginner Contest 361） | 10573 | 45 | 86 |
-17 | ||
| AtCoder Regular Contest 181 | 2334 | 183 | 97 |
+11 | ||
| Panasonic Programming Contest 2024（AtCoder Beginner Contest 375） | 4879 | - | - | - |