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Problems

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Difficulty
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9931
Cryptocurrency
Very easy
9932
File size
Very easy
9933
Clock
9934
Clock 2
9935
Clock 3
Very easy
9936
The number of n-digit numbers
Easy
9937
The number of n-digit numbers is 2
Very easy
9938
The number of n-digit numbers is 3.
Very easy
9939
The number of n-digit numbers is 4
Very easy
9940
The number of n-digit numbers is 5
Very easy
9941
The number of n-digit numbers is 6.
Easy
9942
The number of odd n-digit numbers
Easy
9943
The number of even n-digit numbers
Easy
9944
The number of odd n-digit numbers is 2
Very easy
9945
The number of even n-digit numbers 2
Very easy
9946
The number of odd n-digit numbers is 3.
Easy
9947
The number of even n-digit numbers 3
Easy
9948
The number of odd n-digit numbers is 4
Medium
9949
The number of even n-digit numbers is 4
Easy
9950
Number of complete squares
Very easy
9951
The number of powers of two
Very easy
9952
The number of perfect squares is 2.
Very easy
9953
The number of powers of two is 2
Very easy
9954
The number of complete squares is 3.
Very easy
9955
The number of powers of two is 3
Very easy
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