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Problems

Topics
Difficulty
Sort by
1862
Five-star challenge
Easy
1863
Strong tiling
Very easy
1864
Hamilton Pipeline
Easy
1865
Hexagon and rhombic domino
Easy
1866
Cute patterns 2
Medium
1867
Cards
Easy
1868
Function
Very easy
1869
Paths on the board
Very easy
1870
Testing shuffle machines
Very easy
1871
Squirrel and bamboo
Very easy
1872
Snowmen
Very easy
1873
Vertex Cover
Medium
1874
Holidays
Hard
1875
The longest path
Medium
1876
The sum is not without variety
Very easy
1877
Tetris Game Validator
Hard
1878
Make it a rule - always fly GraphAero!
Very easy
1879
Test for the Clique Problem
Medium
1880
Problem about Cliques
Medium
1881
Connect and Disconnect
Easy
1882
Curved Mirrors
Medium
1883
Manual sorting
Very hard
1884
CHM
Easy
1885
Number of lines
Very easy
1886
Restoration of points quantity
Medium
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