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QOJ
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Accepted problems：5 problems
Tried problems：0 problem
None
Authored problems：6 problems
| # | Problem Name |
|---|---|
| 1 | 子串统计 |
| 2 | Square Grid |
| 3 | Strange Sum |
| 4 | This is not an Abnormal Team! |
| 5 | Not Another Range Query Problem |
| 6 | Slay the Spire |