| 
          
         | 
        5556 | 
                
              P798E
  Mike and code of a permutation
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5547 | 
                
              P801B
  Valued Keys
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        5539 | 
                
              P802H
  Fake News (medium)
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5531 | 
                
              P803A
  Maximal Binary Matrix
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5530 | 
                
              P803B
  Distances to Zero
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5529 | 
                
              P803C
  Maximal GCD
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5524 | 
                
              P804A
  Find Amir
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        5522 | 
                
              P804C
  Ice cream coloring
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5520 | 
                
              P804E
  The same permutation
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5517 | 
                
              P805B
  3-palindrome
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        5512 | 
                
              P808C
  Tea Party
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5497 | 
                
              P811D
  Vladik and Favorite Game
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        5484 | 
                
              P814A
  An abandoned sentiment from past
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        5483 | 
                
              P814B
  An express train to reveries
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5478 | 
                
              P815B
  Karen and Test
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5475 | 
                
              P815E
  Karen and Neighborhood
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5455 | 
                
              P819E
  Mister B and Flight to the Moon
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5453 | 
                
              P820B
  Mister B and Angle in Polygon
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5442 | 
                
              P822F
  Madness
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        5433 | 
                
              P827B
  High Load
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5422 | 
                
              P830E
  Perpetual Motion Machine
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5419 | 
                
              P831C
  Jury Marks
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5402 | 
                
              P835E
  The penguin's game
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        5381 | 
                
              P840B
  Leha and another game about graph
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        5368 | 
                
              P843C
  Upgrading Tree
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5348 | 
                
              P847C
  Sum of Nestings
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5347 | 
                
              P847D
  Dog Show
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5339 | 
                
              P847L
  Berland SU Computer Network
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        5337 | 
                
              P848A
  From Y to Y
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5336 | 
                
              P848B
  Rooter's Song
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5327 | 
                
              P850D
  Tournament Construction
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5308 | 
                
              P854A
  Fraction
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        5307 | 
                
              P854B
  Maxim Buys an Apartment
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5299 | 
                
              P856A
  Set Theory
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5288 | 
                
              P858F
  Wizard's Tour
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5277 | 
                
              P862C
  Mahmoud and Ehab and the xor
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5260 | 
                
              P865A
  Save the problem!
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5257 | 
                
              P865D
  Buy Low Sell High
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        5250 | 
                
              P868C
  Qualification Rounds
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5230 | 
                
              P873D
  Merge Sort
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5217 | 
                
              P877C
  Slava and tanks
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5213 | 
                
              P878A
  Short Program
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5205 | 
                
              P883B
  Berland Army
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5197 | 
                
              P883J
  Renovation
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        5196 | 
                
              P883K
  Road Widening
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5184 | 
                
              P886D
  Restoration of string
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        5169 | 
                
              P888G
  Xor-MST
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5166 | 
                
              P891B
  Gluttony
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        5153 | 
                
              P894B
  Ralph And His Magic Field
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5152 | 
                
              P894C
  Marco and GCD Sequence
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5143 | 
                
              P896B
  Ithea Plays With Chtholly
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        5133 | 
                
              P898E
  Squares and not squares
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5131 | 
                
              P899A
  Splitting in Teams
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        5129 | 
                
              P899C
  Dividing the numbers
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5128 | 
                
              P899D
  Shovel Sale
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        5120 | 
                
              P901A
  Hashing Trees
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5119 | 
                
              P901B
  GCD of Polynomials
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5117 | 
                
              P901D
  Weighting a Tree
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        5105 | 
                
              P906B
  Seating of Students
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        5090 | 
                
              P909B
  Segments
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5086 | 
                
              P909F
  AND-permutations
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        5083 | 
                
              P910C
  Minimum Sum
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5080 | 
                
              P911C
  Three Garlands
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5078 | 
                
              P911E
  Stack Sorting
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        5077 | 
                
              P911F
  Tree Destruction
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        5074 | 
                
              P912B
  New Year's Eve
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        5045 | 
                
              P916C
  Jamie and Interesting Graph
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        5003 | 
                
              P922F
  Divisibility
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4999 | 
                
              P923D
  Picking Strings
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4997 | 
                
              P923F
  Public Service
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4988 | 
                
              P925C
  Big Secret
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4987 | 
                
              P925D
  Aztec Catacombs
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4980 | 
                
              P926E
  Merge Equal Elements
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4963 | 
                
              P931B
  World Cup
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4961 | 
                
              P932A
  Palindromic Supersequence
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        4959 | 
                
              P932C
  Permutation Cycle
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4950 | 
                
              P933E
  A Preponderant Reunion
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4948 | 
                
              P934B
  A Prosperous Lot
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4939 | 
                
              P936C
  Lock Puzzle
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4933 | 
                
              P938C
  Constructing Tests
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4920 | 
                
              P940C
  Phone Numbers
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4907 | 
                
              P949B
  A Leapfrog in the Array
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4894 | 
                
              P952G
  Puzzling Language
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4859 | 
                
              P959C
  Mahmoud and Ehab and the wrong algorithm
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4858 | 
                
              P959D
  Mahmoud and Ehab and another array construction task
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4853 | 
                
              P960C
  Subsequence Counting
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4839 | 
                
              P962B
  Students in Railway Carriage
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4836 | 
                
              P962E
  Byteland, Berland and Disputed Cities
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4832 | 
                
              P963B
  Destruction of a Tree
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4811 | 
                
              P976D
  Degree Set
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4789 | 
                
              P980B
  Marlin
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4776 | 
                
              P982A
  Row
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4760 | 
                
              P985D
  Sand Fortress
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4740 | 
                
              P989B
  A Tide of Riverscape
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4739 | 
                
              P989C
  A Mist of Florescence
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4733 | 
                
              P990D
  Graph And Its Complement
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4710 | 
                
              P995A
  Tesla
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4697 | 
                
              P998A
  Balloons
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        4657 | 
                
              P1003B
  Binary String Constructing
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4654 | 
                
              P1003E
  Tree Constructing
         | 
        0 / 0 | 
        7 |