| 
          
         | 
        2871 | 
                
              P1208
  [HNOI2004]宠物收养所
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2876 | 
                
              P1209
  [HNOI2004] 最佳包裹
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2882 | 
                
              P1210
  [HNOI2004] 邮递员
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2888 | 
                
              P1211
  [HNOI2004] 树的计数
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2896 | 
                
              P1212
  [HNOI2004]L语言
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        3242 | 
                
              P1256
  Baltic2004Rectangles
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        3982 | 
                
              P1361
  [Wc2004]孪生项链
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4438 | 
                
              P1364
  [Baltic2004]Ships
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4439 | 
                
              P1366
  [Baltic2004]repeats
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4440 | 
                
              P1367
  [Baltic2004]sequence
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4441 | 
                
              P1368
  [Baltic2004]CAR PARK
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4086 | 
                
              P1503
  [NOI2004] 郁闷的出纳员
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4088 | 
                
              P1505
  [NOI2004]小H的小屋
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4089 | 
                
              P1506
  [NOI2004]曼哈顿
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4683 | 
                
              P2543
  [AHOI2004] 奇怪的字符串
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4993 | 
                
              P4331
  [BalticOI 2004] Sequence 数字序列
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4961 | 
                
              4961
  [NOIP2004 提高组] 合并果子 / [USACO06NOV] Fence Repair G
         | 
        2 / 3 | 
        10 | 
      
      
        | 
          
         | 
        5037 | 
                
              5037
  [NOIP2004 普及组] FBI 树
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4496 | 
                
              P6033
  [NOIP2004 提高组] 合并果子 加强版
         | 
        8 / 27 | 
        7 |