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Difficulty
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2758
Citizenship Application
Very easy
2762
Bacon's Cipher
Very easy
2766
Length of S(n)
Very easy
2772
DDR3
Very hard
2777
Houses
Very easy
2779
Traffic Lights
Easy
2792
Rectangle
Very easy
2795
Metro
Easy
2799
Gnome in the Castle
Easy
2803
MarkErovani cubes
Very easy
2812
Angle
Very easy
2831
HTML
Hard
2833
Matches – for children?
Easy
2864
Function tabulation
Very easy
2865
High Dragon Curve
Hard
2866
Dragon Curve Junior
Very easy
2867
K-digit number High
Hard
2874
Queens Junior
Easy
2895
Arctic Foxes
Very easy
2900
Roman numerals
Easy
2910
ABCDEF
Very easy
2932
Dima and lines
Very easy
2937
Maksym and the Time Machine
Easy
2939
Dima and array 1
Easy
2949
Adding and Removing Points
Easy
1
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