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Problems
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Problems

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Difficulty
Sort by
5735
Tower
Very hard
5753
Crazy tea party
Very easy
5765
Canaries
5766
Ostrich Farm
Easy
5786
Grey Area
Very hard
5794
Common Polynomial
Very easy
5835
The Teacher`s Side of Math
5844
Sun and Moon
Medium
5884
Admission to Exam
Very easy
5885
Lunar Code 2
5887
Monkey at the Keyboard
Very easy
5892
Divisibility by 8
Easy
5897
Sum of squares
Medium
5898
How many multiples
Easy
5904
Multifactorial - 2
Very easy
5905
Roots from one
Very easy
5922
Divisibility by 2^N
Easy
5950
Two Instead of Three
5951
Pattern Matching
5966
Comparison of Continued Fractions
Hard
5967
Comparison of Periodic Continued Fractions
5975
Triplets - 2
Medium
5979
What word?
Easy
5981
Process the expression
Hard
5989
Hippodrome
Very hard
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