perhaps you should specify that y is in the order of the first occurence of each unique element of x
This would be a better problem if unique and sort functions were not allowed
Solution without using sort(.) or unique(.) .
Solution without using sort(_) or unique(_) .
Note 1) this solution does not use sort() anywhere :) 2) the more elegant "stable" is not available for unique in pre-2012 MATLAB.
Distance walked 2D
Permute diagonal and antidiagonal
Create logical matrix with a specific row and column sums
Count up then down
Set some matrix elements to zero
Convert a structure into a string
Generate a string like abbcccddddeeeee
Cody Computer Part 3 - Detect the graphic card used on Cody Computer
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