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Editorial Team
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Asked: 2026-05-24T15:59:53+00:00

Assume I have a loop (any while or for) like this: loop{ A long

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Assume I have a loop (any while or for) like this:

loop{
    A long code.
}

From the point of time complexity, should I divide this code in parts, write a function outside the loop, and call that function repeatedly?

I read something about functions very long ago, that calling a function repeatedly takes more time or memory or like something, I don’t remember it exactly. Can you also provide some good reference about things like this (time complexity, coding style)?

Can you also provide some reference book or tutorial about heap memory, overheads etc. which affects the performance of program?

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1 Answer

  1. Editorial Team

    The performance difference is probably very minimal in this case. I would concentrate on clarity rather than performance until you identify this portion of your code to be a serious bottleneck.

    It really does depend on what kind of code you’re running in the loop, however. If you’re just doing a tiny mathematical operation that isn’t going to take any CPU time, but you’re doing it a few hundred thousand times, then inlining the calculation might make sense. Anything more expensive than that, though, and performance shouldn’t be an issue.

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