The sorted coefficients in your example should be [1; 4; 3; -2].
The test suite is also comparing against an incorrect result in the last problem.
Find the sum of all the numbers of the input vector
Number of Circles in a Number
The Dark Side of the Die
Insert zeros into vector
Find the nearest integer
Find vampire numbers
Multivariate polynomials - overload multiplication
Find all vampire fangs
Negation the hard way
Multivariate polynomials - emulate symbolic form
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