songzijun's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 439 | 8620 | - | - | - | ||
| AtCoder Beginner Contest 449 | 2658 | 1192 |  144 |
- |
songzijun's Competition History| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 439 | 8620 | - | - | - | ||
| AtCoder Beginner Contest 449 | 2658 | 1192 | 144 |
- |