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Problems
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Problems

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Difficulty
Sort by
2182
Text Formatting
Medium
2184
Chessboard
Very easy
2185
Shooting Championship
Very easy
2187
House by the Road
Hard
2196
String Transformer
Very easy
2211
The largest sawtooth subsequence
Easy
2213
Three-dimensional rooks
Medium
2222
Matches for children are not toys!
Easy
2225
Beautiful numbers
Medium
2261
Defense of a Kingdom
Very easy
2266
Ideal Contest
Medium
2284
Chips Challenge
Easy
2285
Coffee Central
Easy
2304
Horrible Queries
Very easy
2309
Windows
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
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