| 
          
         | 
        1784 | 
                
              1784
  [CERC2016]Dancing Disks
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1789 | 
                
              1789
  [CERC2016]Geohash Grid
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1793 | 
                
              1793
  [CERC2016]Key Knocking
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1799 | 
                
              1799
  [Hnoi2014]米特运输
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1936 | 
                
              1936
  [POI2015]Logistyka
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1943 | 
                
              1943
  [POI2015]Odwiedziny
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        1967 | 
                
              1967
  [Usaco2015 Dec]Fruit Feast
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2046 | 
                
              2046
  Styx
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2109 | 
                
              2109
  [Noi2016]网格
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2118 | 
                
              2118
  [Usaco2016 Feb]Circular Barn
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2178 | 
                
              2178
  [Nwerc2015]Debugging调试
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2206 | 
                
              2206
  [Cerc2015]Juice Junctions
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2265 | 
                
              2265
  [Cerc2015]Frightful Formula
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2269 | 
                
              2269
  [Neerc2015]Distance on Triangulation
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2285 | 
                
              2285
  [Zjoi2016]旅行者
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2299 | 
                
              2299
  [Jsoi2013]丢番图
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2506 | 
                
              2506
  [NOIP2014 提高组] 解方程
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2521 | 
                
              2521
  [IOI2011]Race
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2642 | 
                
              2642
  [Jsoi2015]salesman
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        2660 | 
                
              2660
  [Jsoi2015]送礼物
         | 
        0 / 0 | 
        (无) |