BILLZHOU's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 117 | 2603 | 50 |  3 |
- | ||
| AtCoder Beginner Contest 137 | 1893 | 971 | 80 |
+77 | ||
| AtCoder Grand Contest 057 | 946 | - | - | - | ||
| AtCoder Regular Contest 151 | 2165 | - | - | - | ||
| AtCoder Regular Contest 179 | 2172 | 198 | 97 |
+17 |