chong13's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Beginner Contest 447 | 7117 | 304 |  15 |
- | ||
| AtCoder Beginner Contest 448 | 10012 | - | - | - | ||
| AtCoder Beginner Contest 449 | 8254 | - | - | - | ||
| AtCoder Beginner Contest 450 | 6769 | 550 | 68 |
+53 | ||
| AtCoder Beginner Contest 451 | 7125 | 478 |  116 |
+48 | ||
| AtCoder Beginner Contest 452 | 3770 | 1015 |  254 |
+138 | ||
| AtCoder Beginner Contest 453 | 10425 | 55 | 198 |
-56 | ||
| Keysight Technologies Programming Contest（AtCoder Beginner Contest 454） | 6363 | 477 | 230 |
+32 |