columbus's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 199（Sponsored by Panasonic） | 5399 | 401 |  20 |
- | ||
| AtCoder Beginner Contest 207 | 5058 | 379 | 60 |
+40 | ||
| AtCoder Beginner Contest 224 | 5686 | 84 | 62 |
+2 | ||
| Toyota Programming Contest 2024#8（AtCoder Beginner Contest 365） | 11389 | 40 | 55 |
-7 | ||
| AtCoder Beginner Contest 366 | 10641 | - | - | - | ||
| AtCoder Beginner Contest 426 | 9992 | 53 | 53 |
-2 |