Participant: delta4d

Representing China using C++.

Qualification Round: ranked 1848 (115 points)
Tic-Tac-Toe-TomekLawnmowerFair and SquareTreasure
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Round 1B: ranked 1534 (22 points)
OsmosFalling DiamondsGarbled Email
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Round 1C: ranked 784 (38 points)
ConsonantsPogoThe Great Wall
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Round 2: ranked 1760 (8 points)
Ticket SwappingMany PrizesErdős–SzekeresMultiplayer Pong
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