Participant: C.sis

Representing China using C++.

Qualification Round: ranked 4568 (95 points)
Tic-Tac-Toe-TomekLawnmowerFair and SquareTreasure
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Round 1B: ranked 337 (64 points)
OsmosFalling DiamondsGarbled Email
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Round 2: ranked 322 (39 points)
Ticket SwappingMany PrizesErdős–SzekeresMultiplayer Pong
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