题库 - GrOJ

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	2101	P3100 Root of the Problem Mid-Central USA 2006	0 / 0	(无)
	2102	P3101 Astronomy Northeastern Europe 2005, Northern Subregion	0 / 0	(无)
	2103	P3102 Bee Garden Northeastern Europe 2005, Northern Subregion	0 / 0	(无)
	2104	P3103 Cutting a Block Northeastern Europe 2005, Northern Subregion	0 / 0	(无)
	2105	P3104 Drying Northeastern Europe 2005, Northern Subregion	0 / 0	(无)
	2106	P3105 Expectation Northeastern Europe 2005, Northern Subregion	0 / 0	(无)
	2107	P3106 Flip and Turn Northeastern Europe 2005, Northern Subregion	0 / 0	(无)

根据当前过滤条件随机选择一道题