The output of * operator in this solution is a struct, rather than a mPoly object. Nevertheless, the test suite does not check the type of the output.
L Y Cao, since you're such a wizard with indices, I'd love to see you solve this without converting to the array form. It would be interesting to compare the approaches.
Andrew Newell, thanks for your advice.
So many choices
Make a random, non-repeating vector.
Convert from Base 10 to base 5
Convert a vector into numbers
Convert ColorSpec string to RGB triplet
Multivariate polynomials - emulate symbolic form
Outer product of multiple vectors
Find all vampire fangs
Find vampire numbers
Multivariate polynomials - sort monomials
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