2009 - 题库 - 机智小童

ID	题目显示标签隐藏标签	AC / 尝试	难度
657	luogu#P2017 [USACO09DEC] Dizzy Cows G Floyd 图论搜索栈 USACO 2009 Special Judge	0 / 0	(无)
1156	luogu#P3488 [POI2009] LYZ-Ice Skates 线段树 POI 2009	0 / 0	(无)
476	luogu#P4496 [CTSC2009] 移民站选址 2009 WC/CTSC/集训队提交答案 Special Judge	0 / 0	(无)
687	luogu#P6191 [USACO09FEB] Bulls And Cows S 2009 USACO	0 / 0	(无)
803	luogu#P7184 [CRCI2008-2009] MAJSTOR 2009 COCI 模拟	0 / 0	(无)

根据当前过滤条件随机选择一道题

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