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Problems

Implementation
Difficulty
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4551
All-Ukrainian coverage
Medium
4552
The station at the Simferopol railway terminal
Medium
4555
Chestnut – the Green Symbol of Kyiv
Hard
4557
Lonely king
Very easy
4581
The simplest task
Very easy
4627
Hexagon
4631
Triangle Trouble
Very easy
4635
The Programmer`s Hex
Very hard
4636
Hex Tile Equations
Very hard
4639
Game Score
Hard
4647
Black-and-white cube
Very easy
4663
A Coloring Game
4678
Program for a Program
Easy
4681
Desktop
4683
Search for a line
Easy
4717
Divide the apples - 2
4718
Привет, Гарри!
4719
Tura
4721
Bob the honors pupil
4722
The square of a number
Very easy
4723
Bad news
4724
We are making cuts
Very easy
4726
First and last appearance
Very easy
4727
Second appearance
Very easy
4729
Length of the sequence
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  • …
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  • 37
  • …
  • 86