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Problems

Topics
Difficulty
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7093
Chess Club
Easy
7094
Chess
Medium
7095
Factorials
Easy
7096
School
Very easy
7107
Without lift
Easy
7108
Fire control
Very easy
7109
Fire Control - 2
Medium
7110
Weighing balance
Very easy
7111
Terusky
Very easy
7113
Cards
Easy
7125
He's Circles
Very easy
7127
Sorter
Hard
7128
Rubik's Cube
Hard
7171
Skiing
Medium
7174
Races
Easy
7176
Intersection
Very easy
7192
Rectangle
Medium
7193
Riemannian Geometry-2
Easy
7194
Motel
Very easy
7195
Test
Easy
7196
Banking
Very easy
7197
Resistance
Very hard
7198
Street Racing
Easy
7199
Cryptogram
Very hard
7200
Taxicab
Hard
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