080927 - Problem Set - 算道OJ

	ID	Problem Show tags Hide tags	AC / Tried	Difficulty
	18739	18739 Laurel Creek Waterloo 080927	0 / 0	(None)
	18740	18740 Rocket Stages Waterloo 080927	0 / 0	(None)
	18741	18741 Logo Waterloo 080927 洛谷	0 / 0	(None)

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