Participant: isumi

Representing China using C++.

Qualification Round: ranked 1689 (115 points)
Tic-Tac-Toe-TomekLawnmowerFair and SquareTreasure
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Round 1B: ranked 187 (64 points)
OsmosFalling DiamondsGarbled Email
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Round 2: ranked 121 (52 points)
Ticket SwappingMany PrizesErdős–SzekeresMultiplayer Pong
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Round 3: ranked 51 (46 points)
CheatersRural PlanningAre We Lost Yet?Observation Wheel
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