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...
Find the longest sequence of 1's in a binary sequence.
Alphabetize by last name
Rotate a Matrix by 90 degrees
Detect a number and replace with two NaN's
Sorted highest to lowest?
swap sign sum & multiply castles
How to subtract?
Acidity of vinegar and salts
chance in percent for minimum K heads when a good coin is tossed N times?
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