469 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1883 P2819   图的 m 着色问题 0 / 0 2
1880 P2831   [NOIP 2016 提高组] 愤怒的小鸟 0 / 0 5
1803 P2845   [USACO15DEC] Switching on the Lights S 0 / 0 4
1907 P2853   [USACO06DEC] Cow Picnic S 0 / 0 3
1922 P2868   [USACO07DEC] Sightseeing Cows G 0 / 0 6
1949 P2895   [USACO08FEB] Meteor Shower S 0 / 0 3
1957 P2903   [USACO08MAR] The Loathesome Hay Baler S 0 / 0 3
1959 P2905   [USACO08OPEN] Crisis on the Farm G 0 / 0 5
1973 P2919   [USACO08NOV] Guarding the Farm S 0 / 0 4
1975 P2921   [USACO08DEC] Trick or Treat on the Farm G 0 / 0 4
2016 P2962   [USACO09NOV] Lights G 0 / 0 5
2089 P3036   [USACO16DEC] Lasers and Mirrors G 0 / 0 5
2120 P3067   [USACO12OPEN] Balanced Cow Subsets G 0 / 0 5
2126 P3073   [USACO13FEB] Tractor S 0 / 0 4
2155 P3102   [USACO14FEB] Secret Code S 0 / 0 5
2176 P3123   [USACO15OPEN] Bessie Goes Moo S 0 / 0 3
2192 P3139   [USACO16FEB] Milk Pails S 0 / 0 3
2217 P3154   [CQOI2009] 循环赛 0 / 0 5
2232 P3170   [CQOI2015] 标识设计 0 / 0 7
2245 P3183   [HAOI2016] 食物链 0 / 0 3

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