Return the volume of a regular n-simplex with a unit side length.
Results are up to 4*eps precision.
Neither string operations nor interpolations are allowed!
Good problem, in the sense that it disallows many of the hacks used to cook a problem.
Back to basics 23 - Triangular matrix
Split a string into chunks of specified length
Do Fast Fourier Transformation
find the maximum element of the matrix
Dots in a Circle
Dots in a Diamond
Dots in a Sphere
Triangular Tiling Dots in a Circle
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