Input(n) is positive integer number
Output(r) is (number of "1" in binary input) / (number of bits).
Return a list sorted by number of occurrences
Given an unsigned integer x, find the largest y by rearranging the bits in x
Find the sum of the elements in the "second" diagonal
sum of non-primes
Create an n-by-n null matrix and fill with ones certain positions
Volume and area of a sphere
Number of odd and even elements within matrix
Make a vector of prime numbers
How many digits are there?
Create matrix with Gray code
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