CTU Open Contest 2010

	#	タイトル
A	6623	Arbitrage?
B	6624	Bus Schedules
C	6625	Bus Clock Display
D	6626	Measuring Problem Difficulty
E	6627	The Easiest Problem is This One
F	6628	Prohibición de fumar
G	6629	Pyramid Guards
H	6630	Hack around the Lock
I	6631	God Save the i-th Queen