| 
          
         | 
        9949 | 
                
              luoguP1067
  [NOIP 2009 普及组] 多项式输出
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9950 | 
                
              luoguP1068
  [NOIP 2009 普及组] 分数线划定
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9951 | 
                
              luoguP1069
  [NOIP 2009 普及组] 细胞分裂
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9952 | 
                
              luoguP1070
  [NOIP 2009 普及组] 道路游戏
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        9953 | 
                
              luoguP1071
  [NOIP 2009 提高组] 潜伏者
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        9954 | 
                
              luoguP1072
  [NOIP 2009 提高组] Hankson 的趣味题
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9955 | 
                
              luoguP1073
  [NOIP 2009 提高组] 最优贸易
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        9956 | 
                
              luoguP1074
  [NOIP 2009 提高组] 靶形数独
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10217 | 
                
              luoguP1339
  [USACO09OCT] Heat Wave G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10480 | 
                
              luoguP1607
  [USACO09FEB] Fair Shuttle G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10500 | 
                
              luoguP1627
  [CQOI2009] 中位数
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10610 | 
                
              luoguP1756
  [NOI2009] 描边
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        10612 | 
                
              luoguP1758
  [NOI2009] 管道取珠
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10713 | 
                
              luoguP1864
  [NOI2009] 二叉查找树
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10760 | 
                
              luoguP1912
  [NOI2009] 诗人小G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10784 | 
                
              luoguP1938
  [USACO09NOV] Job Hunt S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        10807 | 
                
              luoguP1963
  [NOI2009] 变换序列
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        10816 | 
                
              luoguP1972
  [SDOI2009] HH的项链
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10860 | 
                
              luoguP2017
  [USACO09DEC] Dizzy Cows G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10866 | 
                
              luoguP2023
  [AHOI2009] 维护序列
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10882 | 
                
              luoguP2039
  [AHOI2009] 跳棋
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        10894 | 
                
              luoguP2051
  [AHOI2009] 中国象棋
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10898 | 
                
              luoguP2055
  [ZJOI2009] 假期的宿舍
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11027 | 
                
              luoguP2148
  [SDOI2009] E&D
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11028 | 
                
              luoguP2149
  [SDOI2009] Elaxia的路线
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11030 | 
                
              luoguP2151
  [SDOI2009] HH去散步
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11031 | 
                
              luoguP2152
  [SDOI2009] SuperGCD
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11032 | 
                
              luoguP2153
  [SDOI2009] 晨跑
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11033 | 
                
              luoguP2154
  [SDOI2009] 虔诚的墓主人
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11035 | 
                
              luoguP2156
  [SDOI2009] 细胞探索
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11036 | 
                
              luoguP2157
  [SDOI2009] 学校食堂
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11038 | 
                
              luoguP2159
  [SHOI2009] 舞会
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11040 | 
                
              luoguP2161
  [SHOI2009] 会场预约
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        10941 | 
                
              luoguP2165
  [AHOI2009] 飞行棋
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11047 | 
                
              luoguP2167
  [SDOI2009] Bill的挑战
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11259 | 
                
              luoguP2376
  [USACO09OCT] Allowance G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11375 | 
                
              luoguP2407
  [SDOI2009] 地图复原
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11374 | 
                
              luoguP2410
  [SDOI2009] 最优图像
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11428 | 
                
              luoguP2513
  [HAOI2009] 逆序对数列
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11479 | 
                
              luoguP2564
  [SCOI2009] 生日礼物
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11480 | 
                
              luoguP2565
  [SCOI2009] 骰子的学问
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11481 | 
                
              luoguP2566
  [SCOI2009] 围豆豆
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11503 | 
                
              luoguP2591
  [ZJOI2009] 函数
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11506 | 
                
              luoguP2594
  [ZJOI2009] 染色游戏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11507 | 
                
              luoguP2595
  [ZJOI2009] 多米诺骨牌
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        11510 | 
                
              luoguP2598
  [ZJOI2009] 狼和羊的故事
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11511 | 
                
              luoguP2599
  [ZJOI2009] 取石子游戏
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11513 | 
                
              luoguP2601
  [ZJOI2009] 对称的正方形
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11558 | 
                
              luoguP2639
  [USACO09OCT] Bessie's Weight Problem G
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11569 | 
                
              luoguP2657
  [SCOI2009] windy 数
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11752 | 
                
              luoguP2805
  [NOI2009] 植物大战僵尸
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11869 | 
                
              luoguP2928
  [USACO09HOL] Cattle Bruisers G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11870 | 
                
              luoguP2929
  [USACO09HOL] Transmission Delay G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11871 | 
                
              luoguP2930
  [USACO09HOL] Holiday Painting G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11872 | 
                
              luoguP2931
  [USACO09HOL] Pearl Bracelet G【征集 SPJ】
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        11873 | 
                
              luoguP2932
  [USACO09JAN] Earthquake Damage G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11874 | 
                
              luoguP2933
  [USACO09JAN] The Baric Bovine G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11875 | 
                
              luoguP2934
  [USACO09JAN] Safe Travel G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11876 | 
                
              luoguP2935
  [USACO09JAN] Best Spot S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11877 | 
                
              luoguP2936
  [USACO09JAN] Total Flow S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11878 | 
                
              luoguP2937
  [USACO09JAN] Laserphones S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11879 | 
                
              luoguP2938
  [USACO09FEB] Stock Market G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11880 | 
                
              luoguP2939
  [USACO09FEB] Revamping Trails G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11881 | 
                
              luoguP2940
  [USACO09FEB] The Leprechaun S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11882 | 
                
              luoguP2941
  [USACO09FEB] Surround the Islands S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11883 | 
                
              luoguP2942
  [USACO09MAR] Moon Mooing G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11884 | 
                
              luoguP2943
  [USACO09MAR] Cleaning Up G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11885 | 
                
              luoguP2944
  [USACO09MAR] Earthquake Damage 2 G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11886 | 
                
              luoguP2945
  [USACO09MAR] Sand Castle S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11887 | 
                
              luoguP2946
  [USACO09MAR] Cow Frisbee Team S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11888 | 
                
              luoguP2947
  [USACO09MAR] Look Up S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11889 | 
                
              luoguP2948
  [USACO09OPEN] Ski Lessons G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11890 | 
                
              luoguP2949
  [USACO09OPEN] Work Scheduling G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11891 | 
                
              luoguP2950
  [USACO09OPEN] Bovine Embroidery G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11892 | 
                
              luoguP2951
  [USACO09OPEN] Hide and Seek S
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11893 | 
                
              luoguP2952
  [USACO09OPEN] Cow Line S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11894 | 
                
              luoguP2953
  [USACO09OPEN] Cow Digit Game S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11895 | 
                
              luoguP2954
  [USACO09OPEN] Grazing2 S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11896 | 
                
              luoguP2955
  [USACO09OCT] Even? Odd? G
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        11897 | 
                
              luoguP2956
  [USACO09OCT] The Robot Plow G
         | 
        0 / 0 | 
        1 | 
      
      
        | 
          
         | 
        11898 | 
                
              luoguP2957
  [USACO09OCT] Barn Echoes G
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11899 | 
                
              luoguP2958
  [USACO09OCT] Papaya Jungle G
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11900 | 
                
              luoguP2959
  [USACO09OCT] The Leisurely Stroll G
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11901 | 
                
              luoguP2960
  [USACO09OCT] Invasion of the Milkweed G
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        11902 | 
                
              luoguP2961
  [USACO09NOV] Who Brings the Cookies? G
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        11903 | 
                
              luoguP2962
  [USACO09NOV] Lights G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11904 | 
                
              luoguP2963
  [USACO09NOV] Cow Rescue G
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11905 | 
                
              luoguP2964
  [USACO09NOV] A Coin Game S
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11906 | 
                
              luoguP2965
  [USACO09NOV] The Grand Farm-off S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11907 | 
                
              luoguP2966
  [USACO09DEC] Cow Toll Paths G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11908 | 
                
              luoguP2967
  [USACO09DEC] Video Game Troubles G
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        11909 | 
                
              luoguP2968
  [USACO09DEC] Bobsledding S
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        11910 | 
                
              luoguP2969
  [USACO09DEC] Music Notes S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        11911 | 
                
              luoguP2970
  [USACO09DEC] Selfish Grazing S
         | 
        0 / 0 | 
        2 | 
      
      
        | 
          
         | 
        12103 | 
                
              luoguP3153
  [CQOI2009] 跳舞
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        12104 | 
                
              luoguP3154
  [CQOI2009] 循环赛
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12105 | 
                
              luoguP3155
  [CQOI2009] 叶子的染色
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        12122 | 
                
              luoguP3173
  [HAOI2009] 巧克力
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        12123 | 
                
              luoguP3174
  [HAOI2009] 毛毛虫
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        12148 | 
                
              luoguP3199
  [HNOI2009] 最小圈
         | 
        0 / 0 | 
        6 |