Xudongning's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Denso Create Programming Contest 2026（AtCoder Beginner Contest 443） | 9649 | 115 |  6 |
- | ||
| AtCoder Beginner Contest 449 | 2175 | 1290 |  180 |
+174 | ||
| AtCoder Beginner Contest 450 | 1360 | 1517 |  586 |
+406 | ||
| AtCoder Beginner Contest 452 | 1226 | 1561 |  846 |
+260 | ||
| AtCoder Beginner Contest 453 | 1475 | 1488 |  983 |
+137 | ||
| Keysight Technologies Programming Contest（AtCoder Beginner Contest 454） | 2346 | - | - | - | ||
| Ｓｋｙ Inc, Programming Contest 2026 (AtCoder Beginner Contest 455) | 551 | - | - | - | ||
| AtCoder Beginner Contest 458 | 130 | - | - | - | ||
| Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) | 1858 | 1379 |  1052 |
+69 | ||
| AtCoder Beginner Contest 460 | 3584 | 1089 | 1052 |
±0 |