| 
          
         | 
        9404 | 
                
              P1957E
  Carousel of Combinations
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9431 | 
                
              P1967B1
  Reverse Card (Easy Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9430 | 
                
              P1967B2
  Reverse Card (Hard Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9440 | 
                
              P1968A
  Maximize?
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9438 | 
                
              P1968C
  Assembly via Remainders
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9480 | 
                
              P1973F
  Maximum GCD Sum Queries
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9504 | 
                
              P1977C
  Nikita and LCM
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9551 | 
                
              P1978F
  Large Graph
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9530 | 
                
              P1979C
  Earning on Bets
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9523 | 
                
              P1980D
  GCD-sequence
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9515 | 
                
              P1981D
  Turtle and Multiplication
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9569 | 
                
              P1982B
  Collatz Conjecture
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9567 | 
                
              P1982D
  Beauty of the mountains
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9544 | 
                
              P1985G
  D-Function
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9558 | 
                
              P1986G1
  Permutation Problem (Simple Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9557 | 
                
              P1986G2
  Permutation Problem (Hard Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9641 | 
                
              P1991D
  Prime XOR Coloring
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9637 | 
                
              P1991H
  Prime Split Game
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9595 | 
                
              P1992F
  Valuable Cards
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9652 | 
                
              P1993F1
  Dyn-scripted Robot (Easy Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9651 | 
                
              P1993F2
  Dyn-scripted Robot (Hard Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9611 | 
                
              P1994D
  Funny Game
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9625 | 
                
              P1995C
  Squaring
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9632 | 
                
              P1996D
  Fun
         | 
        0 / 0 | 
        (无) |