ID 题目 显示标签 隐藏标签 AC / 尝试 难度
2071 P2647   [USACO12DEC] First! G 0 / 0 (无)
2078 P2654   [USACO12OPEN] Unlocking Blocks S 0 / 0 (无)
2086 P2662   [USACO12MAR] Landscaping S 0 / 0 (无)
2091 P2667   [USACO12FEB] Cow IDs S 0 / 0 (无)
2092 P2668   [USACO12FEB] Relocation S 0 / 0 (无)
2096 P2672   [USACO12JAN] Delivery Route S 0 / 0 (无)
2097 P2673   [USACO12JAN] Bale Share S 1 / 1 10
2099 P2675   [USACO12JAN] Video Game G 1 / 1 10
2104 P2680   [USACO11DEC] Umbrellas for Cows S 0 / 0 (无)
2115 P2691   硬币游戏[CF1972B] 13 / 42 6
2126 P2702   Happy 12 / 50 7
2128 P2704   Filial 7 / 123 9
2131 P2707   奇怪的树 9 / 52 8
2133 P2709   奇怪的图 5 / 38 8
2137 P2713   打扫战场 4 / 17 9
2140 P2716   简单的树 2 / 45 9
2162 P2738   [USACO05OPEN] Landscaping G 0 / 0 (无)
2165 P2741   [USACO05MAR] Ombrophobic Bovines G发抖的牛 0 / 0 (无)
2166 P2742   [USACO05MAR] Space Elevator G太空电梯 1 / 6 10
2167 P2743   顶点加区间轮廓和(Vertex Add Range Contour Sum on Tree) 1 / 2 10
2168 P2744   [USACO05FEB] Rigging the Bovine Election S 0 / 0 (无)
2169 P2745   [USACO05FEB] Feed Accounting S 2 / 2 10
2171 P2747   [USACO05FEB] Secret Milking Machine G 3 / 3 10
2172 P2748   [USACO05FEB] Jersey Politics G 0 / 0 (无)
2177 P2753   树上区间加 & 点查(Vertex Get Range Add on Tree) 1 / 4 10
2192 P2768   [USACO04OPEN] Cave Cows 2 1 / 1 10
2203 P2779   [USACO02FEB] Cow Cycling 0 / 0 (无)
2225 P2801   USACO(55)线段树1:最优挤奶P3097 [USACO13DEC] Optimal Milking G 8 / 22 7
2232 P2808   USACO(62)平衡树2:奶牛登机P3103 [USACO14FEB] Airplane Boarding G 1 / 1 10
2233 P2809   动态树顶点集路径复合(Dynamic Tree Vertex Set Path Composite) 1 / 2 10
2235 P2811   U 群把妹王 4 / 4 10
2275 P2829   USACO(51)树哈希2:宝藏P6204 [USACO07CHN] Treasure G 0 / 0 (无)
2277 P2831   D04 【多源最短路floyd】[USACO07NOV] Cow Hurdles S 35 / 91 5
2278 P2832   *【多源最短路floyd 】 [USACO09DEC]Cow Toll Paths G 15 / 25 4
2297 P2851   USACO(106)动态规划一7:奶牛自行车队P4953 [USACO02FEB] Cow Cycling 7 / 13 8
2306 P2860   USACO(115)动态规划(背包型)3:奶牛会展P2340 [USACO03FALL] Cow Exhibition G 8 / 16 8
2307 P2861   USACO(116)动态规划(背包型)4:促销日P6205 [USACO06JAN] Dollar Dayz S 8 / 19 7
2310 P2864   USACO(119)动态规划(背包型)7:录制唱片 2 / 2 10
2311 P2865   USACO(120)动态规划(背包型)8:电子游戏P2967 [USACO09DEC] Video Game Troubles 6 / 12 9
2314 P2868   *【树形DP:相邻点互斥】无根树最多不相邻点数 [USACO10NOV] Visiting Cows G 31 / 187 8
2315 P2869   USACO(124)(树形DP)2:手机网络P2899 [USACO08JAN] Cell Phone Network G 7 / 18 8
2331 P2874   [USACO07CHN] Treasure G 1 / 2 10
2332 P2875   USACO(129)动态规划(单调队列优化)2:玉米实验[Cornfields, 2003 Mar] 6 / 6 10
2342 P2885   *【状态压缩DP】最小分组[USACO12MAR] Cows in a Skyscraper G 38 / 187 7
2555 P2915   *【组合数:可重复组合】可重复组合 48 / 183 7
2613 P2962   [USACO06JAN] Dollar Dayz S 4 / 4 10
2617 P2966   USACO(20)排序3:录制节目[USACO14JAN] Recording the Moolympics S 6 / 11 9
2623 P2972   动态树子树加子树求和(Dynamic Tree Subtree Add Subtree Sum) 6 / 18 8
2626 P2975   USACO(29)贪心进阶3:二道工序P6243 [USACO06OPEN] The Milk Queue G 2 / 39 9
2631 P2980   *【STL:set】宴会邀请[USACO13JAN] Party Invitations S 18 / 53 6
2632 P2981   USACO(35)穷举+差分1:翻转奶牛P2882 [USACO07MAR] Face The Right Way G 3 / 8 10
2641 P2990   *【模拟:可持久化入门】时间旅行[USACO10OPEN] Time Travel S 5 / 9 9
2643 P2992   USACO(45)TRIE2:一号单词P3065 [USACO12DEC] First! G 1 / 6 10
2646 P2995   USACO(49.1)并查集2:叠积木[Cube Stacking, 2004 Open] 4 / 10 9
2651 P3000   笛卡尔树(Cartesian Tree) 3 / 9 10
2675 P3022   G58_4*【博弈论】[SHOI2008] 小约翰的游戏 18 / 23 3
2717 P3064   [NOI2008] 假面舞会 8 / 23 7
2718 P3065   [NOI2008] 奥运物流 4 / 12 9
2800 P3147   [CTSC2007] 矩阵Matrix(无spj) 0 / 56 10
2807 P3154   [CTSC2006] 方块填数 0 / 0 (无)
2869 P3216   [HNOI2003] 操作系统 0 / 17 10
2878 P3225   [HNOI2001] 求正整数 0 / 21 10
2906 P3253   Pell方程 0 / 33 10
2920 P3267   Kth Number I 1 / 2 10
2928 P3275   grazing 0 / 16 10
2935 P3282   Pell方程2 0 / 41 10
2975 P3322   Zju2429 Destroying The Graph 0 / 19 10
3015 P3362   [BalticOI 2005] Card 卡牌游戏 (Day0) 0 / 25 10
3018 P3365   [BalticOI 2004] SCALES (Day 1) 0 / 23 10
3030 P3377   [BalticOI 2002] L Game © Edward de Bono (Day2) 0 / 17 10
3042 P3389   最大利润 0 / 41 10
3053 P3400   sequence 0 / 9 10
3056 P3403   Divisibility Testing! Wow! 0 / 13 10
3062 P3409   Password 0 / 3 10
3064 P3411   [ZJOI2009] 硬币游戏 0 / 92 10
3070 P3417   [POJ3156] Interconnect 0 / 20 10
3072 P3419   Red is good 0 / 97 10
3075 P3422   王者归来 By LiuCheng 0 / 56 10
3077 P3424   Appear 0 / 17 10
3083 P3430   小猴打架 0 / 28 10
3084 P3431   MLand 0 / 19 10
3089 P3436   [POI 2003] 三项式系数Trinomial 1 / 1 10
3110 P3457   棋盘游戏 0 / 3 10
3112 P3459   C国的街道 0 / 3 10
3116 P3463   *【博弈SG】练习4:IPSC2003 Got Root? 1 / 1 10
3119 P3466   Robots 0 / 7 10
3122 P3469   Sgu Snake(无数据) 0 / 7 10
3123 P3470   Pku1738 An old Stone Game 0 / 1 10
3128 P3475   方格取数问题 2 / 6 10
3133 P3480   *【博弈论】火柴游戏(未) 0 / 8 10
3135 P3482   【线性筛:欧拉函数】可以看到的树 1 / 2 10
2652 P3498   [NOI2006] 神奇口袋 1 / 1 10
3156 P3501   [NOI2005] 智慧珠游戏 0 / 0 (无)
3158 P3503   *【FHQ Treap】[NOI2004] 郁闷的出纳员 2 / 5 10
3162 P3507   [NOI2003] 文本编辑器 0 / 0 (无)
3164 P3509   D54 树的直径 *【树形DP:树的直径】[NOI2003] 逃学的小孩 2 / 2 10
3183 P3528   [POI 2005] SAM-Toy Cars 1 / 1 10
3188 P3533   *【单调队列】[POI 2005]LOT-A Journey to Mars 9 / 30 7
3192 P3537   [POI 2005] AUT-The Bus 1 / 1 10
3200 P3545   任务安排 0 / 0 (无)

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