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Problems

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Difficulty
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3568
Three-way Branch
3569
Tree Allocation
3571
Bracelets
Easy
3575
Lightning Lessons
Easy
3580
Tree Count
3584
A Famous Stone Collector
Easy
3585
A Famous Equation
3594
Butterfly
3599
Number Sorting
3612
Marathon
Hard
3613
Olympic luggage
Very easy
3624
Repeated Subsequences
Easy
3628
Brackets Sequence
Easy
3649
Disorder
Very easy
3652
How many prefixes?
Very easy
3653
Ambiguity by Fibonacci
Very easy
3661
Railway Tickets
Very easy
3665
K-angulation
Very hard
3666
Balancing the Matrix
Very hard
3675
Chain
3685
Report 3
3686
How many are good?
3688
Simple coincidence
3689
Snake
Very hard
3699
Placement of Rooks
Medium
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