you just discovered its circumference, that is the input.
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...
Which doors are open?
Volume of this donut
How to subtract?
Add two numbers
Matlab Basics - Rounding III
Distance walked 3D
Use of regexp
Multiply a column by a row
Vectorizing, too easy or too hard?
Given an unsigned integer x, find the largest y by rearranging the bits in x
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