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Problems

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Difficulty
Sort by
5827
Prime Gap
Easy
5842
Presentation
Medium
5902
Reverse order
Very easy
5954
Cut a triangle
Hard
5965
The Great Bean Gathering
Very hard
6021
Mega Inversions
Very easy
6058
Root of the Problem
Very easy
6156
Hanoi Towers - Reloaded
Very easy
6163
Removing Magical Tiles
Very easy
6172
Count
Hard
6222
Kingdom
Hard
6288
Palindromic Numbers
Easy
6315
Maria the Traveler
Hard
6316
Divisibility
Medium
6352
n-th Square Free
Very easy
6356
The root of a cubic equation
Easy
6363
Catch the train
Medium
6444
Handicapped Onsite Prediction
Very easy
6447
Tree Puzzle
Medium
6583
Counting Ones
Very easy
6837
Kindergarten
Very easy
6838
Luggage
Very hard
6954
Two Mysterious Letters from a Tree
Easy
6962
Bonnie's Battery
Very easy
6969
Interstellar Trade
Medium
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