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HarryGuo2012's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| AtCoder Regular Contest 075 | 374 | 1574 |  375 |
- | ||
| AtCoder Grand Contest 017 | 633 | 1481 |  781 |
+406 | ||
| AtCoder Regular Contest 078 | 354 | 1757 |  1072 |
+291 |