Compute the derivative of a given polynomial. The input is an array of coefficients of polynomials.
Input is [2 0 5]
Output is [4 0]
Sort a list of complex numbers based on far they are from the origin.
Test for balanced parentheses
What is the distance from point P(x,y) to the line Ax + By + C = 0?
Altitude of locations on the earth
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