ccosi's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 100 | 721 | 611 |  34 |
- | ||
| Tenka1 Programmer Contest | 487 | 1405 |  353 |
+319 | ||
| AtCoder Grand Contest 031 | 560 | 1779 |  851 |
+498 | ||
| AtCoder Grand Contest 032 | 270 | 2090 |  1218 |
+367 |