| 
          
         | 
        437 | 
                
              P1808E2
  Minibuses on Venus (medium version)
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        436 | 
                
              P1808E3
  Minibuses on Venus (hard version)
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        435 | 
                
              P1809A
  Garland
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        434 | 
                
              P1809B
  Points on Plane
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        433 | 
                
              P1809C
  Sum on Subarrays
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        432 | 
                
              P1809D
  Binary String Sorting
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        431 | 
                
              P1809E
  Two Tanks
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        430 | 
                
              P1809F
  Traveling in Berland
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        429 | 
                
              P1809G
  Prediction
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        428 | 
                
              P1810A
  Beautiful Sequence
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        427 | 
                
              P1810B
  Candies
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        426 | 
                
              P1810C
  Make It Permutation
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        425 | 
                
              P1810D
  Climbing the Tree
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        424 | 
                
              P1810E
  Monsters
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        423 | 
                
              P1810F
  M-tree
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        422 | 
                
              P1810G
  The Maximum Prefix
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        421 | 
                
              P1810H
  Last Number
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        420 | 
                
              P1811A
  Insert Digit
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        419 | 
                
              P1811B
  Conveyor Belts
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        418 | 
                
              P1811C
  Restore the Array
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        417 | 
                
              P1811D
  Umka and a Long Flight
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        416 | 
                
              P1811E
  Living Sequence
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        415 | 
                
              P1811F
  Is It Flower?
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        414 | 
                
              P1811G1
  Vlad and the Nice Paths (easy version)
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        413 | 
                
              P1811G2
  Vlad and the Nice Paths (hard version)
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        412 | 
                
              P1812A
  Are You a Robot?
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        411 | 
                
              P1812B
  Was it Rated?
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        410 | 
                
              P1812C
  Digits
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        409 | 
                
              P1812D
  Trivial Conjecture
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        408 | 
                
              P1812E
  Not a Geometry Problem
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        407 | 
                
              P1812F
  Factorization
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        406 | 
                
              P1812G
  Colour Vision
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        405 | 
                
              P1812H
  Expected Twist
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        404 | 
                
              P1812I
  Mountain Climber
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        403 | 
                
              P1812J
  Unmysterious Language
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        402 | 
                
              P1814A
  Coins
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        401 | 
                
              P1814B
  Long Legs
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        400 | 
                
              P1814C
  Search in Parallel
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        399 | 
                
              P1814D
  Balancing Weapons
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        398 | 
                
              P1814E
  Chain Chips
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        397 | 
                
              P1814F
  Communication Towers
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        396 | 
                
              P1815A
  Ian and Array Sorting
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        395 | 
                
              P1815B
  Sum Graph
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        394 | 
                
              P1815C
  Between
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        393 | 
                
              P1815D
  XOR Counting
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        392 | 
                
              P1815E
  Bosco and Particle
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        391 | 
                
              P1815F
  OH NO1 (-2-3-4)
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        390 | 
                
              P1816A
  Ian Visits Mary
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        389 | 
                
              P1816B
  Grid Reconstruction
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        388 | 
                
              P1817A
  Almost Increasing Subsequence
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        387 | 
                
              P1817B
  Fish Graph
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        386 | 
                
              P1817C
  Similar Polynomials
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        385 | 
                
              P1817D
  Toy Machine
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        384 | 
                
              P1817E
  Half-sum
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        383 | 
                
              P1817F
  Entangled Substrings
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        382 | 
                
              P1818A
  Politics
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        381 | 
                
              P1818B
  Indivisible
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        380 | 
                
              P1819A
  Constructive Problem
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        379 | 
                
              P1819B
  The Butcher
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        378 | 
                
              P1819C
  The Fox and the Complete Tree Traversal
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        377 | 
                
              P1819D
  Misha and Apples
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        376 | 
                
              P1819E
  Roads in E City
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        375 | 
                
              P1819F
  Willy-nilly, Crack, Into Release!
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        374 | 
                
              P1820A
  Yura's New Name
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        373 | 
                
              P1820B
  JoJo's Incredible Adventures
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        372 | 
                
              P1821A
  Matching
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        371 | 
                
              P1821B
  Sort the Subarray
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        370 | 
                
              P1821C
  Tear It Apart
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        369 | 
                
              P1821D
  Black Cells
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        368 | 
                
              P1821E
  Rearrange Brackets
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        367 | 
                
              P1821F
  Timber
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        366 | 
                
              P1822A
  TubeTube Feed
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        365 | 
                
              P1822B
  Karina and Array
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        364 | 
                
              P1822C
  Bun Lover
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        363 | 
                
              P1822D
  Super-Permutation
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        362 | 
                
              P1822E
  Making Anti-Palindromes
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        361 | 
                
              P1822F
  Gardening Friends
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        360 | 
                
              P1822G1
  Magic Triples (Easy Version)
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        359 | 
                
              P1822G2
  Magic Triples (Hard Version)
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        358 | 
                
              P1823A
  A-characteristic
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        357 | 
                
              P1823B
  Sort with Step
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        356 | 
                
              P1823C
  Strongly Composite
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        355 | 
                
              P1823D
  Unique Palindromes
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        354 | 
                
              P1823E
  Removing Graph
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        353 | 
                
              P1823F
  Random Walk
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        352 | 
                
              P1824A
  LuoTianyi and the Show
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        351 | 
                
              P1824B1
  LuoTianyi and the Floating Islands (Easy Version)
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        350 | 
                
              P1824B2
  LuoTianyi and the Floating Islands (Hard Version)
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        349 | 
                
              P1824C
  LuoTianyi and XOR-Tree
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        348 | 
                
              P1824D
  LuoTianyi and the Function
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        347 | 
                
              P1824E
  LuoTianyi and Cartridge
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        346 | 
                
              P1825A
  LuoTianyi and the Palindrome String
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        345 | 
                
              P1825B
  LuoTianyi and the Table
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        344 | 
                
              P1826A
  Trust Nobody
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        343 | 
                
              P1826B
  Lunatic Never Content
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        342 | 
                
              P1826C
  Dreaming of Freedom
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        341 | 
                
              P1826D
  Running Miles
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        340 | 
                
              P1826E
  Walk the Runway
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        339 | 
                
              P1826F
  Fading into Fog
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        338 | 
                
              P1827A
  Counting Orders
         | 
        0 / 0 | 
        3 |