sunzhen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 155 | 4597 | 361 | 18 | - | ||
| AtCoder Beginner Contest 161 | 6871 | 313 | 52 | +34 | ||
| AtCoder Beginner Contest 165 | 1993 | 1247 | 250 | +198 | ||
| AtCoder Beginner Contest 177 | 3073 | 948 | 389 | +139 |