Google Code Jam 2013 Round 2

	#	Title
A1	12309	Ticket Swapping (Small)
A2	12310	Ticket Swapping (Large)
B1	12311	Many Prizes (Small)
B2	12312	Many Prizes (Large)
C1	12313	Erdős–Szekeres (Small)
C2	12314	Erdős–Szekeres (Large)
D1	12315	Multiplayer Pong (Small)
D2	12316	Multiplayer Pong (Large)