I think the problem should be called 'surface AREA' of a spherical planet.
I need to remember that using 0.31830988618379067154 is less expensive (size 14) than using 1/pi (size 15) ;)
Yeah. But this is useful only within Cody. For real work it would be crazy to program it this way.
Only if you are writing for a low solution size. There's on penalty for writing for clarity, and it's preferred in the real world...
DNA N-Gram Distribution
Least common multiple of many numbers
Arrange Vector in descending order
Basics: 'Find the eigenvalues of given matrix
Distance walked 3D
Given a square and a circle, please decide whether the square covers more area.
Acidity of vinegar and salts
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