The center and radius of two circles are given.
Determine whether they touch.
Problem with the third test suite
in 3rd case,
they intersect at two points.
In geometry, tangent circles (also known as kissing circles) are circles that intersect in a single point.
Angle of triangle
The Hitchhiker's Guide to MATLAB
Return unique values without sorting
Find a subset that divides the vector into equal halves
Vectorize the digits of an Integer
Don't be Greedy!
Maya long Count
Don't be Too Greedy!
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