Return how many integer grid points there are inside a 3D sphere of radius r centred at (0,0,0) (including points on the edge).
Neither string operations nor interpolations are allowed!
Number of toolboxes?
peta to nano (x-ray)
Given a window, how many subsets of a vector sum positive
Return 'on' or 'off'
Dots in a Circle
Chebyshev polynomials of the 2nd Kind
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