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changbijieIOI's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 199 (Div. 1) | 247 | - | - | - | ||
| UNIQUE VISION Programming Contest 2025 Summer (AtCoder Beginner Contest 411) | 1063 | 1485 |  300 |
- | ||
| Japan Registry Services (JPRS) Programming Contest 2025#2 (AtCoder Beginner Contest 415) | 363 | 1965 |  1017 |
+717 | ||
| AtCoder Beginner Contest 417 | 866 | 1616 |  1165 |
+148 |