Participant: HackYHJ

Representing China using C++.

**Qualification Round**: ranked 4801 (85 points)
Tic-Tac-Toe-Tomek		Lawnmower		Fair and Square			Treasure
S	L	S	L	S	L1	L2	S	L
C++	C++	C++		C++	C++

**Round 1A**: ranked 3428 (11 points)
Bullseye		Manage your Energy		Good Luck
S	L	S	L	S	L
C++

**Round 1B**: ranked 410 (64 points)
Osmos		Falling Diamonds		Garbled Email
S	L	S	L	S	L
C++	C++	C++	C++

**Round 2**: ranked 1446 (8 points)
Ticket Swapping		Many Prizes		Erdős–Szekeres		Multiplayer Pong
S	L	S	L	S	L	S	L
C++