Participant: lizan

Representing Japan.

Used languages: Python, C++.

Qualifier: ranked 3400 (50 points)
Saving the UniverseTrain TimetableFly Swatter
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Download Python Download Python Download Python Download Python
Round 1B: ranked 865 (15 points)
Crop TrianglesNumber SetsMousetrap
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Download Python
Round 1C: ranked 334 (30 points)
Text Messaging OutrageUgly NumbersIncreasing Speed Limits
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Download Python Download Python Download C++
Round 2: ranked 1523 (10 points)
Cheating a Boolean TreeTriangle AreasStar WarsPermRLE
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Download C++ Download C++