Find all values in a vector lower than the mean of the vector
I suggest adding additional test cases to make the problem stronger.
Reverse Run-Length Encoder
Back to basics 7 - Equal NaNs
Getting the indices from a vector
Find a Pythagorean triple
What's size of TV?
Find the index of the lowest number in a matrix
Sum two matrices
Matrix Generation from Vector Multiplication
Replace 0 indices in array with 1's
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