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Problems

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Difficulty
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4511
Vasylko and Sequences
Very easy
4517
Delivery
Hard
4523
A New Word in Advertising
Hard
4528
Text on the fence
Medium
4529
Fibonacci numbers: the last digit
Easy
4547
Tourist in Sevastopol
Easy
4548
Dnipro Conquers Space
Medium
4556
Counting Triangles
Very easy
4565
High Fence Coloring
Very easy
4566
Junior Fence Painting
Very easy
4568
Twin Cities Junior
Medium
4569
Relaxation by the High River
Very easy
4570
Relaxation by the River Junior
Very hard
4571
Number of Representable High
Hard
4572
Number of Representable Numbers
Medium
4577
Card Duel
Very easy
4578
Junior Card Duel
Medium
4595
Cutting
Very easy
4599
Grouping
Very hard
4606
Need for sum thing
Easy
4610
Reduction
Very easy
4630
Towers
Medium
4634
The Goldfish – Petryk's Second Wish
Hard
4637
Alternative paths
Hard
4648
One-two
Very easy
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