| 
          
         | 
        5281 | 
                
              P567E
  President and Roads
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5269 | 
                
              P570D
  Tree Requests
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5265 | 
                
              P571C
  CNF 2
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5258 | 
                
              P573C
  Bear and Drawing
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5254 | 
                
              P574B
  Bear and Three Musketeers
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5252 | 
                
              P575B
  Bribes
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5247 | 
                
              P575G
  Run for beer
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5243 | 
                
              P576B
  Invariance of Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5227 | 
                
              P580C
  Kefa and Park
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5205 | 
                
              P585B
  Phillip and Trains
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5188 | 
                
              P590C
  Three States
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5180 | 
                
              P592D
  Super M
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5175 | 
                
              P593D
  Happy Tree Party
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5162 | 
                
              P596E
  Wilbur and Strings
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5155 | 
                
              P598D
  Igor In the Museum
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5143 | 
                
              P600E
  Lomsat gelral
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5138 | 
                
              P601D
  Acyclic Organic Compounds
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5133 | 
                
              P603B
  Moodular Arithmetic
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5124 | 
                
              P605D
  Board Game
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5109 | 
                
              P609E
  Minimum spanning tree for each edge
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5090 | 
                
              P612E
  Square Root of Permutation
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5085 | 
                
              P613D
  Kingdom and its Cities
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5074 | 
                
              P616C
  The Labyrinth
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5062 | 
                
              P618D
  Hamiltonian Spanning Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5043 | 
                
              P622E
  Ants in Leaves
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5019 | 
                
              P627D
  Preorder Test
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5017 | 
                
              P627F
  Island Puzzle
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        5006 | 
                
              P629E
  Famil Door and Roads
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4971 | 
                
              P633F
  The Chocolate Spree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4970 | 
                
              P633G
  Yash And Trees
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4961 | 
                
              P638B
  Making Genome in Berland
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4960 | 
                
              P638C
  Road Improvement
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4959 | 
                
              P638D
  Three-dimensional Turtle Super Computer
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4953 | 
                
              P639F
  Bear and Chemistry
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4926 | 
                
              P650C
  Table Compression
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4924 | 
                
              P650E
  Clockwork Bomb
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4917 | 
                
              P652E
  Pursuit For Artifacts
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4914 | 
                
              P653B
  Bear and Compressing
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4911 | 
                
              P653E
  Bear and Forgotten Tree 2
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4896 | 
                
              P659E
  New Reform
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4895 | 
                
              P659F
  Polycarp and Hay
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4878 | 
                
              P662B
  Graph Coloring
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4819 | 
                
              P679C
  Bear and Square Grid
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4818 | 
                
              P679D
  Bear and Chase
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4811 | 
                
              P681D
  Gifts by the List
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4807 | 
                
              P682C
  Alyona and the Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4793 | 
                
              P685B
  Kay and Snowflake
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4787 | 
                
              P687A
  NP-Hard Problem
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4783 | 
                
              P687E
  TOF
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4779 | 
                
              P689B
  Mike and Shortcuts
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4768 | 
                
              P690C2
  Brain Network (medium)
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4755 | 
                
              P691D
  Swaps in Permutation
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4751 | 
                
              P696B
  Puzzles
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4743 | 
                
              P698B
  Fix a Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4735 | 
                
              P700B
  Connecting Universities
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4734 | 
                
              P700C
  Break Up
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4702 | 
                
              P707D
  Persistent Bookcase
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4698 | 
                
              P708C
  Centroids
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4689 | 
                
              P710E
  Generate a String
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4684 | 
                
              P711D
  Directed Roads
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4668 | 
                
              P715C
  Digit Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4659 | 
                
              P717E
  Paint it really, really dark gray
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4647 | 
                
              P720B
  Cactusophobia
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4634 | 
                
              P722D
  Generating Sets
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4628 | 
                
              P723D
  Lakes in Berland
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4627 | 
                
              P723E
  One-Way Reform
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4611 | 
                
              P727A
  Transformation: from A to B
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4597 | 
                
              P730C
  Bulmart
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4585 | 
                
              P731C
  Socks
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4576 | 
                
              P732F
  Tourist Reform
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4565 | 
                
              P734E
  Anton and Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4553 | 
                
              P739B
  Alyona and a tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4547 | 
                
              P741A
  Arpa's loud Owf and Mehrdad's evil plan
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4546 | 
                
              P741B
  Arpa's weak amphitheater and Mehrdad's valuable Hoses
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4545 | 
                
              P741C
  Arpa’s overnight party and Mehrdad’s silent entering
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4544 | 
                
              P741D
  Arpa’s letter-marked tree and Mehrdad’s Dokhtar-kosh paths
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4537 | 
                
              P743D
  Chloe and pleasant prizes
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4535 | 
                
              P744A
  Hongcow Builds A Nation
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4517 | 
                
              P747E
  Comments
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4510 | 
                
              P748F
  Santa Clauses and a Soccer Championship
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4501 | 
                
              P750D
  New Year and Fireworks
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4497 | 
                
              P750H
  New Year and Snowy Grid
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4486 | 
                
              P755C
  PolandBall and Forest
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4481 | 
                
              P756A
  Pavel and barbecue
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4464 | 
                
              P758E
  Broken Tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4456 | 
                
              P761E
  Dasha and Puzzle
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4448 | 
                
              P763A
  Timofey and a tree
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4437 | 
                
              P765E
  Tree Folding
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4431 | 
                
              P766D
  Mahmoud and a Dictionary
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4430 | 
                
              P766E
  Mahmoud and a xor trip
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4427 | 
                
              P767C
  Garland
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4423 | 
                
              P768B
  Code For 1
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4415 | 
                
              P769C
  Cycle In Maze
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4411 | 
                
              P770C
  Online Courses In BSU
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4409 | 
                
              P771A
  Bear and Friendship Condition
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4407 | 
                
              P771C
  Bear and Tree Jumps
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4376 | 
                
              P776D
  The Door Problem
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4366 | 
                
              P778B
  Bitwise Formula
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4365 | 
                
              P778C
  Peterson Polyglot
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        4357 | 
                
              P780C
  Andryusha and Colored Balloons
         | 
        0 / 0 | 
        (无) |