Can you explain why is the same matrix c = [0 -1; 0 0 ; 1 0] used to represent two different polynomials p(x,y) = x-y^2 (as in problem definition above) and p(x,y) = y - x^2 as in test example 3 on the solution page?
Which values occur exactly three times?
Twins in a Window
I've got the power! (Inspired by Project Euler problem 29)
ASCII Birthday Cake
Multivariate polynomials - overload multiplication
Multivariate polynomials - sort monomials
Fangs of a vampire number
Negation the hard way
Find all vampire fangs
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