Find shortest between two points on a ball given their azimuthal and polar angles (in degrees) as well as the radius of the sphere.
I took complements of the test case polar angles in order to agree with customary definitions of polar angle.
I agree. Polar angles are, by convention, measured from the pole, but in this problem you have to consider them to be measure from the equator if you wish to agree with the test cases.
Who Has the Most Change?
Return the 3n+1 sequence for n
The Goldbach Conjecture
Return unique values without sorting
Find last zero for each column
Pig Latin to English Translator
Project Euler: Problem 16, Sums of Digits of Powers of Two
Number of 1s in the Binary Representation of a Number
Return the first and last character of a string
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