305 道题

ID 题目 显示标签 隐藏标签 AC / 尝试 难度
1498 P2484   [SDOI2011] 打地鼠 0 / 0 7
1526 P2511   [HAOI2008] 木棍分割 0 / 0 7
1528 P2513   [HAOI2009] 逆序对数列 0 / 0 5
1585 P2568   GCD 0 / 0 7
1583 P2583   地铁间谍 0 / 0 7
1645 P2629   好消息，坏消息 0 / 0 5
1695 P2671   [NOIP 2015 普及组] 求和 0 / 0 6
1717 P2697   宝石串 0 / 0 5
1899 P2856   [USACO06FEB] Cellphones G 0 / 0 6
1902 P2859   [USACO06FEB] Stall Reservations S 0 / 0 6
1922 P2879   [USACO07JAN] Tallest Cow S 0 / 0 5
1998 P2957   [USACO09OCT] Barn Echoes G 0 / 0 3
2010 P2969   [USACO09DEC] Music Notes S 0 / 0 3
2095 P3056   [USACO12NOV] Clumsy Cows S 0 / 0 3
2107 P3068   [USACO13JAN] Party Invitations S 0 / 0 5
2144 P3105   [USACO14OPEN] Fair Photography S 0 / 0 7
2147 P3108   [USACO14OPEN] Cow Optics G 0 / 0 8
2148 P3109   [USACO14OPEN] Code Breaking G 0 / 0 7
2170 P3131   [USACO16JAN] Subsequences Summing to Sevens S 1 / 3 3
2177 P3138   [USACO16FEB] Load Balancing S 0 / 0 5

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