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Problems
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Difficulty
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5716
Card houses
Very easy
5742
Candy's Candy
Very hard
5743
Portuñol Dictionary
Hard
5764
Wheel
Hard
5774
Ostrich Passions
Very hard
5835
The Teacher`s Side of Math
Very hard
5841
Pipeline Plans
Easy
5872
Explosive Chapaeff
Very hard
5885
Lunar Code 2
Hard
5888
Space Poker 3
Very hard
5911
Palindrome row
Easy
5937
Knights
Very hard
5940
Palindrome Row (Hard)
Medium
5941
Isomorphic Suffix Trees
Very hard
5979
What word?
Easy
5980
How to seat?
Very hard
5986
Democracy
Hard
6027
Private Space
Hard
6038
Ticket Draw
Very hard
6075
Rational Approximation
Hard
6086
Same quantity, sum and product
Easy
6107
Rotate and Rewrite
Very hard
6136
Sequence
Medium
6142
Number of composters
Hard
6194
Klingon Battle Bagel
Hard
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