QOJ.ac
QOJ
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MatrixCascade
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1800
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0
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Accepted problems：1 problem
Tried problems：3 problems
Authored problems：0 problem
NoneVirtual Participations：2 contests
| Name | Start time |
|---|---|
| Public NOIP Round #3 (Div. 1, 提高) | 2022-11-21 13:05:17 |
| 2009 山东省队第一轮选拔赛 (SDOI 2009 Round 1) Day 1 | 2022-08-03 15:50:59 |