Given a pathname string, return a condensed version by replacing intermediate folders with '..'.
fullpath = 'C:\foo\bar\baz\qux';
shortpath = 'C:\..\qux';
Additional test cases have been added.
Find the two most distant points
The Goldbach Conjecture, Part 2
frame of the matrix
Length of the hypotenuse
Convert matrix to 3D array of triangular matrices
Check if vertices form a rectangle
Find mistyped words in text (mixed-up letters)
How many figures currently exist?
Cumulative minimum of an array
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