| 
          
         | 
        9011 | 
                
              P1898A
  Milica and String
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9009 | 
                
              P1898C
  Colorful Grid
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9004 | 
                
              P1899B
  250 Thousand Tons of TNT
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9001 | 
                
              P1899E
  Queue Sort
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9023 | 
                
              P1900A
  Cover in Water
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9019 | 
                
              P1900E
  Transitive Graph
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9018 | 
                
              P1900F
  Local Deletions
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9014 | 
                
              P1901D
  Yet Another Monster Fight
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        9103 | 
                
              P1902D
  Robot Queries
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9101 | 
                
              P1902F
  Trees and XOR Queries Again
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        9093 | 
                
              P1904A
  Forked!
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9089 | 
                
              P1904D2
  Set To Max (Hard Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9088 | 
                
              P1904E
  Tree Queries
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9087 | 
                
              P1904F
  Beautiful Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9083 | 
                
              P1905D
  Cyclic MEX
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9067 | 
                
              P1907A
  Rook
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9066 | 
                
              P1907B
  YetnotherrokenKeoard
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9061 | 
                
              P1907G
  Lights
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        9147 | 
                
              P1909A
  Distinct Buttons
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9060 | 
                
              P1910A
  Username
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9058 | 
                
              P1910C
  Poisonous Swamp
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        9050 | 
                
              P1912A
  Accumulator Apex
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9046 | 
                
              P1912E
  Evaluate It and Back Again
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        9038 | 
                
              P1913A
  Rating Increase
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9115 | 
                
              P1914A
  Problemsolving Log
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9112 | 
                
              P1914D
  Three Activities
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9137 | 
                
              P1915A
  Odd One Out
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9136 | 
                
              P1915B
  Not Quite Latin Square
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9135 | 
                
              P1915C
  Can I Square?
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9134 | 
                
              P1915D
  Unnatural Language Processing
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9131 | 
                
              P1915G
  Bicycles
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9130 | 
                
              P1916A
  2023
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9128 | 
                
              P1916C
  Training Before the Olympiad
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9119 | 
                
              P1917C
  Watering an Array
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        9118 | 
                
              P1917D
  Yet Another Inversions Problem
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        9192 | 
                
              P1918A
  Brick Wall
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9191 | 
                
              P1918B
  Minimize Inversions
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9190 | 
                
              P1918C
  XOR-distance
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9189 | 
                
              P1918D
  Blocking Elements
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9188 | 
                
              P1918E
  ace5 and Task Order
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        9187 | 
                
              P1918F
  Caterpillar on a Tree
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        9153 | 
                
              P1919D
  01 Tree
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        9173 | 
                
              P1920D
  Array Repetition
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9168 | 
                
              P1921B
  Arranging Cats
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9164 | 
                
              P1921F
  Sum of Progression
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9163 | 
                
              P1921G
  Mischievous Shooter
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        9162 | 
                
              P1922A
  Tricky Template
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        9160 | 
                
              P1922C
  Closest Cities
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        9159 | 
                
              P1922D
  Berserk Monsters
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9248 | 
                
              P1923A
  Moving Chips
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9247 | 
                
              P1923B
  Monsters Attack!
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9184 | 
                
              P1924B
  Space Harbour
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9242 | 
                
              P1926A
  Vlad and the Best of Five
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9241 | 
                
              P1926B
  Vlad and Shapes
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9240 | 
                
              P1926C
  Vlad and a Sum of Sum of Digits
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9238 | 
                
              P1926E
  Vlad and an Odd Ordering
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9237 | 
                
              P1926F
  Vlad and Avoiding X
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9236 | 
                
              P1926G
  Vlad and Trouble at MIT
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9230 | 
                
              P1927F
  Microcycle
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        9223 | 
                
              P1928F
  Digital Patterns
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        9212 | 
                
              P1930D2
  Sum over all Substrings (Hard Version)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9199 | 
                
              P1932A
  Thorns and Coins
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9197 | 
                
              P1932C
  LR-remainders
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9196 | 
                
              P1932D
  Card Game
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9195 | 
                
              P1932E
  Final Countdown
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9262 | 
                
              P1933B
  Turtle Math: Fast Three Task
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9261 | 
                
              P1933C
  Turtle Fingers: Count the Values of k
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9259 | 
                
              P1933E
  Turtle vs
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9294 | 
                
              P1935D
  Exam in MAC
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9292 | 
                
              P1935F
  Andrey's Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9250 | 
                
              P1937A
  Shuffle Party
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9249 | 
                
              P1937B
  Binary Path
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9267 | 
                
              P1941D
  Rudolf and the Ball Game
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9319 | 
                
              P1943B
  Non-Palindromic Substring
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9322 | 
                
              P1945G
  Cook and Porridge
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9334 | 
                
              P1946A
  Median of an Array
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9332 | 
                
              P1946C
  Tree Cutting
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9331 | 
                
              P1946D
  Birthday Gift
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9309 | 
                
              P1948B
  Array Fix
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9306 | 
                
              P1948E
  Clique Partition
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9336 | 
                
              P1949J
  Amanda the Amoeba
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9352 | 
                
              P1950A
  Stair, Peak, or Neither?
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9351 | 
                
              P1950B
  Upscaling
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9350 | 
                
              P1950C
  Clock Conversion
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9349 | 
                
              P1950D
  Product of Binary Decimals
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9348 | 
                
              P1950E
  Nearly Shortest Repeating Substring
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9346 | 
                
              P1950G
  Shuffling Songs
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9376 | 
                
              P1951E
  No Palindromes
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9362 | 
                
              P1952J
  Help, what does it mean to be "Based"
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9393 | 
                
              P1954B
  Make It Ugly
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9390 | 
                
              P1954E
  Chain Reaction
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9387 | 
                
              P1955B
  Progressive Square
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9386 | 
                
              P1955C
  Inhabitant of the Deep Sea
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9384 | 
                
              P1955E
  Long Inversions
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9407 | 
                
              P1957B
  A BIT of a Construction
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9432 | 
                
              P1967A
  Permutation Counting
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9428 | 
                
              P1967D
  Long Way to be Non-decreasing
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9422 | 
                
              P1969A
  Two Friends
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9461 | 
                
              P1970A1
  Balanced Shuffle (Easy)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        9446 | 
                
              P1970F1
  Playing Quidditch (Easy)
         | 
        0 / 0 | 
        (无) |