Participant: ChenHong

Representing China using Java, C++.

Qualification Round: ranked 5426 (25 points)
Saving the UniverseTrain TimetableFly Swatter
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Download Java Download Java
Round 1C: ranked 187 (40 points)
Text Messaging OutrageUgly NumbersIncreasing Speed Limits
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Download Java Download C++ Download C++
Round 2: ranked 1520 (10 points)
Cheating a Boolean TreeTriangle AreasStar WarsPermRLE
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Download Java Download Java