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Problems

Topics
Difficulty
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3499
Summing Subsets
Very easy
3500
Prison rearrangement
3501
Wires
Easy
3502
Square
Medium
3503
Signs alternation
Very easy
3504
Ticket to Ride
3505
Root NIM
Easy
3506
Hexagonal Parcels
3507
Fabrozavrs-designers
Easy
3508
Full Steiner Topologies
Hard
3509
In Search of Brides
Very easy
3512
Reconstruction
Medium
3514
Label
3521
Sudoku
Very easy
3522
Sudoku
Very easy
3523
Su-Su-Sudoku
Very easy
3524
Sudoku
Easy
3525
Sudoku
Easy
3526
Anniversary Party
Very easy
3527
DNA Subsequences
Very easy
3528
Physics
Medium
3529
Electrical circuit
Easy
3530
It`s Ir-Resist-Able
Medium
3531
Happy day?
3532
Interesting polygon
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