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Hack!
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PKU v. THU (Preliminary Round 2)
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yjf1225
Rating
1800
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0
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Visit yjf1225's blog
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Accepted problems:4 problems
686
894
1085
6815
Tried problems:5 problems
1088
1456
1774
2812
21694
Authored Problems:0 problem
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Virtual Participations:0 contest
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