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11798
Kostya and Problems
11799
Apples
11800
A*B*C
11801
Horned Froglet
11802
Column Chart
11803
Fabric
11804
Special Moves
11805
Sacrifice
11806
Score
11807
And mex
11808
Mex Partition
11810
Boys and Girls
Very easy
11811
Partitioning into Three
11812
Convex Array
11813
Simple Subsequence
11814
Manhattan Pairing
11815
Gift for Anton
11816
Reversal ABC
11817
Simple Task
Very hard
11818
Skyscraper
Very hard
11819
Xor Sum
Hard
11820
Beach
Very easy
11821
Investments
11822
Sensors
11823
Triples
1
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