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Hack!
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PKU v. THU (Preliminary Round 2)
User profile
HalifaX
Rating
1800
Contribution
11
Usergroup
Default
Motto
Visit HalifaX's blog
Rating changes
14:20:02
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Accepted problems:5 problems
305
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Tried problems:8 problems
1169
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Authored Problems:0 problem
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Virtual Participations:0 contest
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