Given the vector A, return B in which all numbers in A are doubling. So for:
A = [ 1 5 8 ]
B = [ 1 1 5 5 8 8 ]
Implement a ROT13 cipher
Determine if a Given Number is a Triangle Number
Return the Fibonacci Sequence
Get the length of a given vector
Are all the three given point in the same line?
Solving a quadratic equation
Divisors of an integer
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