Write a function that gives the mean digit (round towards nearest integer) of an input and positive number. For example:
x = 264 --> y = 4
x = 128 --> y = 4
Test Suite problem #4 has an incorrect value.
Test suite #4 is incorrect
Vectorizing, too easy or too hard?
Set some matrix elements to zero
Polite numbers. N-th polite number.
Ratio between sum of primer numbers and non-prime numbers
Get the value 100
Alternating 1´s and 0´s in a matrix
Double the next!
Ratio between sum of primes and sum of factors
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