ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2010 P2969   [USACO09DEC] Music Notes S 0 / 0 3
2011 P2970   [USACO09DEC] Selfish Grazing S 0 / 0 3
2018 P2977   [USACO10JAN] Cow Telephones G 0 / 0 7
2033 P2992   [USACO10OPEN] Triangle Counting G 0 / 0 7
2034 P2994   [USACO10OCT] Dinner Time S 0 / 0 6
2042 P3002   [USACO10DEC] Threatening Letter G 0 / 0 8
2063 P3024   [USACO11OPEN] Cow Checkers S 0 / 0 7
2073 P3034   [USACO11DEC] Cow Photography G/S 0 / 0 7
2112 P3073   [USACO13FEB] Tractor S 0 / 0 6
2138 P3099   [USACO14JAN] Cow Curling G 0 / 0 7
2150 P3111   [USACO14DEC] Cow Jog S 0 / 0 5
2163 P3124   [USACO15OPEN] Trapped in the Haybales S 0 / 0 7
2184 P3145   [USACO16OPEN] Splitting the Field G 0 / 0 6
2211 P3162   [CQOI2012] 组装 0 / 0 8
2222 P3173   [HAOI2009] 巧克力 0 / 0 6
2266 P3217   [HNOI2011] 数矩形 0 / 0 8
2292 P3243   [HNOI2015] 菜肴制作 0 / 0 6
2294 P3245   [HNOI2016] 大数 0 / 0 8
2359 P3310   [SDOI2014] 括号序列计数 0 / 0 9
2371 P3322   [SDOI2015] 排序 0 / 0 7

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