The problem description and test suite have been improved.
How to find the position of an element in a vector without using the find function
Given an unsigned integer x, find the largest y by rearranging the bits in x
First non-zero element in each column
Volume of a box
Compare two strings.
Solve expression I
Convert array of decimal numbers into binary numbers array.
Get derivarive of polynomial given as vector array.
Select primes from the matrix.
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