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Problems

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Difficulty
Sort by
3435
Captain Q`s Treasure
3437
Encircling Circles
Easy
3514
Label
3521
Sudoku
Very easy
3523
Su-Su-Sudoku
Very easy
3525
Sudoku
Easy
3529
Electrical circuit
Easy
3536
Rice Company
Very easy
3542
Kaeru Jump
3582
A Famous Airport Manager
Hard
3585
A Famous Equation
3596
Revenge of Champernowne Constant
Very easy
3606
Care for a chat?
Very easy
3611
Olympic Winning Ticket
Hard
3618
Hit and Blow
3625
Petoris
3645
Tiling
Very easy
3654
Without reciprocity
Very easy
3668
Domino
Easy
3674
Accordion
Easy
3679
Permutation logarithm
Hard
3702
Divisors of the number
Medium
3712
Separate the pile
Easy
3747
Cocircular Points
Very easy
3754
Jollo
Easy
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