Participant: love.wenxuan

Representing China using C++.

Qualification Round: ranked 197 (75 points)
Saving the UniverseTrain TimetableFly Swatter
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Round 1B: ranked 1705 (5 points)
Crop TrianglesNumber SetsMousetrap
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Round 1C: ranked 239 (30 points)
Text Messaging OutrageUgly NumbersIncreasing Speed Limits
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Round 2: ranked 1224 (15 points)
Cheating a Boolean TreeTriangle AreasStar WarsPermRLE
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