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!
Word Counting and Indexing
Back to basics 22 - Rotate a matrix
Replace May with April
Convert from Base 10 to base 5
Is the input divisible by 3?
Dots in a Circle
Radial Zernike polynomials
Volume of a Simplex
Edges of a n-dimensional Hypercube
Shifted Hexagonal Tiling Dots in a Circle
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