Columb's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Grand Contest 002 | 635 | 662 | 38 | - | ||
| AtCoder Grand Contest 003 | 260 | 1813 | 658 | +620 | ||
| CODE FESTIVAL 2016 qual A | 267 | 2024 | 1127 | +469 | ||
| AtCoder Grand Contest 005 | 269 | 1843 | 1298 | +171 | ||
| CODE FESTIVAL 2016 qual C | 547 | 1486 | 1324 | +26 | ||
| AtCoder Beginner Contest 049 | 28 | - | - | - |