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Re:Spaghetti Sort (2018) by madmax96 on Tuesday October 01, 2019 @01:18PM (#21127942)
Does it take O(n) time to manufacture computer memory? I don’t know, but it doesn’t affect the runtime of algorithms.
Re:Spaghetti Sort (2018) by FartyMcFarter on Tuesday October 01, 2019 @05:27PM (#21130888)
But many sorting algorithms work in-place, so they don't require extra memory beyond a small O(1) or O(log n) amount for bookkeeping.

When algorithms do require extra memory, they state this requirement as the space complexity.