Participant: chengyong

Representing China using C++.

Qualification Round: ranked 7109 (80 points)
Tic-Tac-Toe-TomekLawnmowerFair and SquareTreasure
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Round 1C: ranked 502 (47 points)
ConsonantsPogoThe Great Wall
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Round 2: ranked 122 (52 points)
Ticket SwappingMany PrizesErdős–SzekeresMultiplayer Pong
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