USACO 2004 February - 题库 - FJNU

	ID	题目显示标签隐藏标签	AC / 尝试	难度
	994	P1984 Navigation Nightmare USACO 2004 February	0 / 0	(无)
	995	P1985 Cow Marathon USACO 2004 February	0 / 0	(无)
	996	P1986 Distance Queries USACO 2004 February	0 / 0	(无)
	997	P1987 Distance Statistics USACO 2004 February	0 / 0	(无)

根据当前过滤条件随机选择一道题