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Problems

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Difficulty
Sort by
2289
Mummy Madness
2304
Horrible Queries
Very easy
2309
Windows
Easy
2315
Permutations (Easy)
2319
Rectangles Online (Easy)
2322
Columns
Easy
2323
Numbers from digits
Very easy
2330
Strip 2
Medium
2334
Mad Tea Party
Very easy
2336
A large number
Easy
2341
Moving the king
Easy
2343
Simple Path
Very easy
2346
Forbidden Corridor
Very easy
2347
Care of Magical Creatures
Easy
2348
Numerology
Hard
2349
Races
Easy
2358
Chess
Very easy
2364
Clock
Very easy
2370
Automated Telephone Exchange
2371
Black Square
Easy
2372
Cube Coloring
Very easy
2375
Flat
Very easy
2377
High security
Medium
2381
Two times two
Very easy
2386
The next permutation
Easy
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