| 
          
         | 
        6956 | 
                
              P464A
  No to Palindromes!
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6955 | 
                
              P464B
  Restore Cube
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6954 | 
                
              P464C
  Substitutes in Number
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6953 | 
                
              P464D
  World of Darkraft - 2
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6952 | 
                
              P464E
  The Classic Problem
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6951 | 
                
              P465A
  inc ARG
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6950 | 
                
              P465B
  Inbox (100500)
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6949 | 
                
              P466A
  Cheap Travel
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6948 | 
                
              P466B
  Wonder Room
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6947 | 
                
              P466C
  Number of Ways
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6946 | 
                
              P466D
  Increase Sequence
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6945 | 
                
              P466E
  Information Graph
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6944 | 
                
              P467A
  George and Accommodation
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6943 | 
                
              P467B
  Fedor and New Game
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6942 | 
                
              P467C
  George and Job
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6941 | 
                
              P467D
  Fedor and Essay
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        6940 | 
                
              P467E
  Alex and Complicated Task
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        6939 | 
                
              P468A
  24 Game
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6938 | 
                
              P468B
  Two Sets
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6937 | 
                
              P468C
  Hack it!
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        6936 | 
                
              P468D
  Tree
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6935 | 
                
              P468E
  Permanent
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6934 | 
                
              P469A
  I Wanna Be the Guy
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6933 | 
                
              P469B
  Chat Online
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6932 | 
                
              P470A
  Crystal Ball Sequence
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6931 | 
                
              P470B
  Hexakosioihexekontahexaphobia
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6930 | 
                
              P470C
  Eval
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6929 | 
                
              P470D
  Caesar Cipher
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6928 | 
                
              P470E
  Chessboard
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6927 | 
                
              P470F
  Pairwise Sums
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        6926 | 
                
              P470G
  Hamming Distance
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        6925 | 
                
              P470H
  Array Sorting
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        6924 | 
                
              P471A
  MUH and Sticks
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6923 | 
                
              P471B
  MUH and Important Things
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6922 | 
                
              P471C
  MUH and House of Cards
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6921 | 
                
              P471D
  MUH and Cube Walls
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6920 | 
                
              P471E
  MUH and Lots and Lots of Segments
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6919 | 
                
              P472A
  Design Tutorial: Learn from Math
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6918 | 
                
              P472B
  Design Tutorial: Learn from Life
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6917 | 
                
              P472C
  Design Tutorial: Make It Nondeterministic
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6916 | 
                
              P472D
  Design Tutorial: Inverse the Problem
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6915 | 
                
              P472E
  Design Tutorial: Learn from a Game
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6914 | 
                
              P472F
  Design Tutorial: Change the Goal
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6913 | 
                
              P472G
  Design Tutorial: Increase the Constraints
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6912 | 
                
              P474A
  Keyboard
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6911 | 
                
              P474B
  Worms
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6910 | 
                
              P474C
  Captain Marmot
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6909 | 
                
              P474D
  Flowers
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6908 | 
                
              P474E
  Pillars
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6907 | 
                
              P474F
  Ant colony
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6906 | 
                
              P475A
  Bayan Bus
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6905 | 
                
              P475B
  Strongly Connected City
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6904 | 
                
              P475C
  Kamal-ol-molk's Painting
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6903 | 
                
              P475D
  CGCDSSQ
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6902 | 
                
              P475E
  Strongly Connected City 2
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6901 | 
                
              P475F
  Meta-universe
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6900 | 
                
              P476A
  Dreamoon and Stairs
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6899 | 
                
              P476B
  Dreamoon and WiFi
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6898 | 
                
              P476C
  Dreamoon and Sums
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6897 | 
                
              P476D
  Dreamoon and Sets
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6896 | 
                
              P476E
  Dreamoon and Strings
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        6895 | 
                
              P477D
  Dreamoon and Binary
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6894 | 
                
              P477E
  Dreamoon and Notepad
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6893 | 
                
              P478A
  Initial Bet
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6892 | 
                
              P478B
  Random Teams
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6891 | 
                
              P478C
  Table Decorations
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6890 | 
                
              P478D
  Red-Green Towers
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6889 | 
                
              P478E
  Wavy numbers
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6888 | 
                
              P479A
  Expression
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6887 | 
                
              P479B
  Towers
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6886 | 
                
              P479C
  Exams
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6885 | 
                
              P479D
  Long Jumps
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6884 | 
                
              P479E
  Riding in a Lift
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6883 | 
                
              P480D
  Parcels
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6882 | 
                
              P480E
  Parking Lot
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6881 | 
                
              P482A
  Diverse Permutation
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6880 | 
                
              P482B
  Interesting Array
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6879 | 
                
              P482C
  Game with Strings
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6878 | 
                
              P482D
  Random Function and Tree
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6877 | 
                
              P482E
  ELCA
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6876 | 
                
              P483A
  Counterexample
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6875 | 
                
              P483B
  Friends and Presents
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6874 | 
                
              P484A
  Bits
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6873 | 
                
              P484B
  Maximum Value
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6872 | 
                
              P484C
  Strange Sorting
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6871 | 
                
              P484D
  Kindergarten
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        6870 | 
                
              P484E
  Sign on Fence
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        6869 | 
                
              P485A
  Factory
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6868 | 
                
              P485B
  Valuable Resources
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6867 | 
                
              P486A
  Calculating Function
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        6866 | 
                
              P486B
  OR in Matrix
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        6865 | 
                
              P486C
  Palindrome Transformation
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        6864 | 
                
              P486D
  Valid Sets
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6863 | 
                
              P486E
  LIS of Sequence
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        6862 | 
                
              P487A
  Fight the Monster
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        6861 | 
                
              P487B
  Strip
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        6860 | 
                
              P487C
  Prefix Product Sequence
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        6859 | 
                
              P487D
  Conveyor Belts
         | 
        1 / 1 | 
        10 | 
      
      
        | 
          
         | 
        6858 | 
                
              P487E
  Tourists
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        6857 | 
                
              P488A
  Giga Tower
         | 
        0 / 0 | 
        3 |