	ID	题目显示标签隐藏标签	AC / 尝试	难度
	5086	P6067 [USACO05JAN] Moo Volume S 2005 USACO	0 / 0	3
	5096	P6080 [USACO05DEC] Cow Patterns G 2005 USACO	0 / 0	6
	5097	P6081 [USACO05DEC] Barn Expansion G 2005 USACO	0 / 0	4
	5718	P6710 [BalticOI 2005] Ancient Manuscript 动态规划,dp 2005 枚举 BalticOI	0 / 0	4
	5717	P6711 [BalticOI 2005] Polygon 计算几何 2005 二分 Special Judge BalticOI	0 / 0	5
	5834	P6768 [USACO05MAR] Ombrophobic Bovines 发抖的牛 2005 二分 USACO 最短路	0 / 0	5
	5826	P6770 [USACO05MAR] Checking an Alibi 不在场的证明 2005 USACO 最短路	0 / 0	3
	5819	P6771 [USACO05MAR] Space Elevator 太空电梯动态规划,dp 2005 USACO	0 / 0	3
	5719	P7269 [BalticOI 2005] Magic Parenthesis 2005 Special Judge BalticOI	0 / 0	(无)
	6493	P7368 [USACO05NOV] Asteroids G 2005 USACO 网络流二分图	0 / 0	5
	6995	P7684 [CEOI2005] Depot Rearrangement 图论 2005 Special Judge CEOI 欧拉回路二分图构造	0 / 0	6
	6999	P7685 [CEOI2005] Mobile Service 动态规划,dp 2005 Special Judge CEOI	0 / 0	7
	7000	P7686 [CEOI2005] Multi-key Sorting 2005 CEOI	0 / 0	2
	7001	P7687 [CEOI2005] Critical Network Lines 2005 Special Judge CEOI Tarjan	0 / 0	5
	7002	P7688 [CEOI2005] Ticket Office 2005 Special Judge CEOI	0 / 0	(无)
	7220	P7906 [Ynoi2005] rpxleqxq 2005 O2优化 Ynoi	0 / 0	7
	7078	P7907 [Ynoi2005] rmscne 2005 O2优化 Ynoi	0 / 0	7
	7225	P7908 [Ynoi2005] qwq 2005 O2优化 Ynoi	0 / 0	7
	7530	P8204 [Ynoi2005] tdnmo 2005 Special Judge O2优化 Ynoi	0 / 0	6
	7531	P8205 [Ynoi2005] vti 2005 O2优化 Ynoi	0 / 0	7
	9183	P9832 [USACO05OPEN] Lazy Cows G 2005 USACO	0 / 0	4
	9182	P9833 [USACO05OPEN] Expedition G 2005 USACO	0 / 0	4
	9181	P9834 [USACO05OPEN] Around the world G 2005 USACO	0 / 0	4
	9180	P9835 [USACO05OPEN] Landscaping G 2005 USACO	0 / 0	4

根据当前过滤条件随机选择一道题

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Genisis信息学在线评测系统
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