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.
How to find the position of an element in a vector without using the find function
Twins in a Window
Split a string into chunks of specified length
Back to basics - mean of corner elements of a matrix
Can we make a triangle?
Last non-zero digit
Queen's move - 02
Last Digit of fibonacci number
Find the sequence
Take it out
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