Input(n) is positive integer number
Output(r) is (number of "1" in binary input) / (number of bits).
Find the longest sequence of 1's in a binary sequence.
Swap the first and last columns
surface of a spherical planet
Right and wrong
Permute diagonal and antidiagonal
Create matrix with Gray code
How many digits are there?
Can I make a right triangle ?
Return area of square
Volume and area of a sphere
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