| 
          
         | 
        4436 | 
                
              P1359
  [Baltic2009]Candy
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4010 | 
                
              P1410
  [ZJOI2009]硬币游戏
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4011 | 
                
              P1412
  [ZJOI2009]狼和羊的故事
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4012 | 
                
              P1413
  [ZJOI2009]取石子游戏
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4013 | 
                
              P1414
  [ZJOI2009]对称的正方形
         | 
        0 / 2 | 
        10 | 
      
      
        | 
          
         | 
        4038 | 
                
              P1444
  [Jsoi2009]有趣的游戏
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4070 | 
                
              P1484
  [HNOI2009]通往城堡之路
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4071 | 
                
              P1486
  [HNOI2009] 有趣的数列
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4073 | 
                
              P1487
  [HNOI2009]无归岛
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4074 | 
                
              P1488
  [HNOI2009]图的同构
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4128 | 
                
              P1560
  [JSOI2009]火星藏宝图
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4129 | 
                
              P1565
  [NOI2009]植物大战僵尸
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4130 | 
                
              P1566
  [NOI2009]管道取珠
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4135 | 
                
              P1571
  [Usaco2009 Open]滑雪课Ski
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4136 | 
                
              P1572
  [Usaco2009 Open]工作安排Job
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4137 | 
                
              P1573
  [Usaco2009 Open]牛绣花cowemb
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4138 | 
                
              P1574
  [Usaco2009 Jan]地震损坏Damage
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4139 | 
                
              P1575
  [Usaco2009 Jan]气象牛Baric
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4140 | 
                
              P1576
  [Usaco2009 Jan]安全路经Travel
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4141 | 
                
              P1577
  [Usaco2009 Feb]庙会捷运Fair Shuttle
         | 
        0 / 0 | 
        (无) |