This problem needs to have its description fixed. It should be "Is the polynomial represented by (v/w) an integer for any integer x except for the roots of w? if the integer x is a root of w, we will have a NaN, which is the case for the test case #1 and the value x=1 for instance.
Prime factor digits
Angle of triangle
find the maximum element of the matrix
Maximum value in a matrix
area of an annulus
Check if any duplicates in your data
Distance walked 3D
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