given three inputs (a, b, c) for the equation a*x^2+b*x+c=0; return 1 if the roots are complex (non zero imaginary), and 0 if they are real.
Distance walked 1D
Find the Nth Root of a Given Number
UICBioE240 problem 1.4
UICBioE240 problem 1.15
Replace secondary diagonal elements of a square array
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