| 
          
         | 
        4305 | 
                
              P1081C
  Colorful Bricks
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4295 | 
                
              P1082E
  Increasing Frequency
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4294 | 
                
              P1082F
  Speed Dial
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4292 | 
                
              P1083A
  The Fair Nut and the Best Path
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4288 | 
                
              P1083E
  The Fair Nut and Rectangles
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4284 | 
                
              P1084C
  The Fair Nut and String
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4277 | 
                
              P1085G
  Beautiful Matrix
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4271 | 
                
              P1088E
  Ehab and a component choosing problem
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4269 | 
                
              P1089A
  Alice the Fan
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4240 | 
                
              P1091D
  New Year and the Permutation Concatenation
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4229 | 
                
              P1092F
  Tree with Maximum Cost
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4223 | 
                
              P1093F
  Vasya and Array
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4212 | 
                
              P1096D
  Easy Problem
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4211 | 
                
              P1096E
  The Top Scorer
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4210 | 
                
              P1096F
  Inversion Expectation
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4209 | 
                
              P1096G
  Lucky Tickets
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4207 | 
                
              P1097B
  Petr and a Combination Lock
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4205 | 
                
              P1097D
  Makoto and a Blackboard
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4202 | 
                
              P1097G
  Vladislav and a Great Legend
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4201 | 
                
              P1097H
  Mateusz and an Infinite Sequence
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4191 | 
                
              P1099F
  Cookies
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4181 | 
                
              P1101D
  GCD Counting
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4179 | 
                
              P1101F
  Trucks and Cities
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4172 | 
                
              P1102F
  Elongated Matrix
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4168 | 
                
              P1103D
  Professional layer
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4162 | 
                
              P1105C
  Ayoub and Lost Array
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4160 | 
                
              P1105E
  Helping Hiasat
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4155 | 
                
              P1106E
  Lunar New Year and Red Envelopes
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4150 | 
                
              P1107D
  Compression
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4149 | 
                
              P1107E
  Vasya and Binary String
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4148 | 
                
              P1107F
  Vasya and Endless Credits
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4147 | 
                
              P1107G
  Vasya and Maximum Profit
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4143 | 
                
              P1108D
  Diverse Garland
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4139 | 
                
              P1109A
  Sasha and a Bit of Relax
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        4136 | 
                
              P1109D
  Sasha and Interesting Fact from Graph Theory
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4130 | 
                
              P1110D
  Jongmah
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4126 | 
                
              P1110H
  Modest Substrings
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4122 | 
                
              P1111D
  Destroy the Colony
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4121 | 
                
              P1111E
  Tree
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4120 | 
                
              P1113A
  Sasha and His Trip
         | 
        0 / 0 | 
        3 | 
      
      
        | 
          
         | 
        4115 | 
                
              P1114D
  Flood Fill
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4090 | 
                
              P1117D
  Magic Gems
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4088 | 
                
              P1117F
  Crisp String
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4079 | 
                
              P1118F2
  Tree Cutting (Hard Version)
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4074 | 
                
              P1119E
  Pavel and Triangles
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4073 | 
                
              P1119F
  Niyaz and Small Degrees
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4068 | 
                
              P1120C
  Compress String
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4067 | 
                
              P1120D
  Power Tree
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4065 | 
                
              P1120F
  Secret Letters
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4058 | 
                
              P1129C
  Morse Code
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4057 | 
                
              P1129D
  Isolation
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4049 | 
                
              P1131D
  Gourmet choice
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4048 | 
                
              P1131E
  String Multiplication
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4046 | 
                
              P1131G
  Most Dangerous Shark
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        4041 | 
                
              P1132E
  Knapsack
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4040 | 
                
              P1132F
  Clear the String
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        4039 | 
                
              P1132G
  Greedy Subsequences
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4034 | 
                
              P1133E
  K Balanced Teams
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        4024 | 
                
              P1137C
  Museums Tour
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        4015 | 
                
              P1139D
  Steps to One
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        4009 | 
                
              P1140D
  Minimum Triangulation
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        4008 | 
                
              P1140E
  Palindrome-less Arrays
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3996 | 
                
              P1142B
  Lynyrd Skynyrd
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        3994 | 
                
              P1142D
  Foreigner
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3983 | 
                
              P1144G
  Two Merged Sequences
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        3970 | 
                
              P1146F
  Leaf Partition
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        3969 | 
                
              P1146G
  Zoning Restrictions
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3968 | 
                
              P1146H
  Satanic Panic
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3952 | 
                
              P1149B
  Three Religions
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3950 | 
                
              P1149D
  Abandoning Roads
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3945 | 
                
              P1151B
  Dima and a Bad XOR
         | 
        0 / 0 | 
        5 | 
      
      
        | 
          
         | 
        3942 | 
                
              P1151E
  Number of Components
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        3941 | 
                
              P1151F
  Sonya and Informatics
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3937 | 
                
              P1152D
  Neko and Aki's Prank
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        3935 | 
                
              P1152F1
  Neko Rules the Catniverse (Small Version)
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3934 | 
                
              P1152F2
  Neko Rules the Catniverse (Large Version)
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3930 | 
                
              P1153D
  Serval and Rooted Tree
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        3928 | 
                
              P1153F
  Serval and Bonus Problem
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3922 | 
                
              P1154F
  Shovels Shop
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        3917 | 
                
              P1155D
  Beautiful Array
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        3915 | 
                
              P1155F
  Delivery Oligopoly
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3911 | 
                
              P1156D
  0-1-Tree
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3909 | 
                
              P1156F
  Card Bag
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3901 | 
                
              P1157F
  Maximum Balanced Circle
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        3894 | 
                
              P1158F
  Density of subarrays
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3883 | 
                
              P1163D
  Mysterious Code
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        3858 | 
                
              P1168C
  And Reachability
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3857 | 
                
              P1168D
  Anagram Paths
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3845 | 
                
              P1170I
  Good Subsets
         | 
        0 / 0 | 
        (无) | 
      
      
        | 
          
         | 
        3843 | 
                
              P1172B
  Nauuo and Circle
         | 
        0 / 0 | 
        6 | 
      
      
        | 
          
         | 
        3842 | 
                
              P1172C1
  Nauuo and Pictures (easy version)
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3841 | 
                
              P1172C2
  Nauuo and Pictures (hard version)
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3831 | 
                
              P1174E
  Ehab and the Expected GCD Problem
         | 
        0 / 0 | 
        9 | 
      
      
        | 
          
         | 
        3825 | 
                
              P1175E
  Minimal Segment Cover
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3823 | 
                
              P1175G
  Yet Another Partiton Problem
         | 
        0 / 0 | 
        10 | 
      
      
        | 
          
         | 
        3820 | 
                
              P1176C
  Lose it!
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        3817 | 
                
              P1176F
  Destroy it!
         | 
        0 / 0 | 
        7 | 
      
      
        | 
          
         | 
        3813 | 
                
              P1178B
  WOW Factor
         | 
        0 / 0 | 
        4 | 
      
      
        | 
          
         | 
        3809 | 
                
              P1178F1
  Short Colorful Strip
         | 
        0 / 0 | 
        8 | 
      
      
        | 
          
         | 
        3808 | 
                
              P1178F2
  Long Colorful Strip
         | 
        0 / 0 | 
        10 |