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Problems

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Difficulty
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10995
Squares and Cubes
Medium
11012
Ice Balls
Very easy
11013
The arithmetic mean of the array elements
Hard
11019
Взаємно різні остачі
Very easy
11023
Круті числа
Easy
11037
Coins
Medium
11054
Random tree
Very hard
11059
On a hike!
Medium
11062
Conflict of interests
Medium
11063
Math lesson
Very easy
11065
Indicator
Very easy
11073
Kozak Vus and the Magical Boots
Very easy
11081
Electronic lock
Easy
11086
Setting up communications
Easy
11103
Archer Vlad
Medium
11107
GCD vs. XOR
Easy
11120
Lemurian parties
Easy
11121
House in a low tree
Hard
11122
Count the operations
Hard
11123
Black and white
Very easy
11133
Boris and Berta
Medium
11136
Extreme Problem
Easy
11139
Halfway There
Medium
11196
Even More Odd Photos
Medium
11259
Minimum triangulation
Medium
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