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Problems

Math
Difficulty
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4680
Divisors
Easy
4715
Lovely Elephants
Very easy
4725
Sum of squares
Very easy
4733
Is it divisible by 2, 4 and 8?
Very easy
4734
Is it divisible by 3, 6 and 9?
Very easy
4743
The Journey of Nils with Wild Geese
Very easy
4752
Cinema
Very easy
4756
The Last Digit
Easy
4810
Генератор псевдослучайных чисел
Easy
4811
System of linear equations
Very hard
4812
Function
4857
Olympiad in Hogwarts
Very easy
4860
Cleopatra's Circlet
Medium
4887
Numbers
Easy
4898
Very simple
Very easy
4965
Interesting Number
Very easy
5051
Fast Multiplication
5056
Beautiful dates
Easy
5064
Magic constant
Very easy
5066
The quotient and remainder by a digit
Very easy
5081
Lanterns
Very easy
5093
Funding
Very easy
5103
Koza Nostra
Easy
5124
B-Casting
Very easy
5125
Pen Counts
Very easy
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