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Problems

Topics
Difficulty
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4192
Olympiad
Medium
4193
Fir Trees
Easy
4194
Series of numbers
Medium
4195
Dominoes
Medium
4196
Chocolate bars
Easy
4197
Film Festival
Easy
4198
CD Recording
Medium
4199
Number of nails
Hard
4200
Adding Sequences
Easy
4201
Parallelogram
Very easy
4202
Organization of Transportation
Very easy
4203
Box of chocolate
Medium
4204
The Millionaire's Will
Easy
4205
Pilot Monitor
4206
Painters
Easy
4207
Bulls and cows
Hard
4208
Powers of two
Easy
4209
Triangular Papyrus
Medium
4210
Broken Scales
Easy
4211
Gas stations
Very easy
4217
Names
Very easy
4220
AAAAHH! Overbooked!
Very easy
4221
Betting Sets
Hard
4222
Counting Pixels
4223
Enchanted Music Boxes
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