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8678
Birches
Easy
8683
The sum of products of digits
Very easy
8706
Склеєні числа
Hard
8738
Two measurements
Easy
8739
Perfect squares
Medium
8742
Faulty Mars Rover
Medium
8743
Interval trainings
Very easy
8747
Sum divisibility
Very easy
8753
Авіашляхи Потоколяндії
Easy
8756
F
Easy
8819
Кількість парних n-значних чисел
Very easy
8860
Find the sum
Very easy
8877
Perfect square
Very easy
8878
078
Very easy
8893
Each condition of two
Very easy
8903
103
Very easy
8905
105
8906
106
Very easy
8907
107
Very easy
8925
125
Very easy
8927
Smallest divisor
Easy
8928
Greatest divisor
Easy
8968
168
Very easy
9001
Big product
Very easy
9005
Universal numbers
Easy
1
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41