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re: Challenge - Print Spiral VIEW POST

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re: Should the space complexity be constant or linear? Probably O(1) since O(n) would allow you to build an array.
 

I wanted to allow to build up one single line before printing. I think that would result in a space complexity of O(n). That allows to build an array, but not to build an array containing all entries of the spiral (being O( n2 )).

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