The problem is asking for tangent circles.
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.
Find the peak 3n+1 sequence value
Television Screen Dimensions
Generate a random matrix A of (1,-1)
Is the input divisible by 3?
Mysterious digits operation (easy)
Repeat elements of a vector
Rotate a matrix without using rot90
Minimal Path - 02
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