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  1. #1
    Member
    Join Date
    Jan 2016
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    What is difference between stable and unstable sorting algorithm?

    I have just taken the interview where asked me about What is difference between stable and unstable sorting algorithm?

  2. #2
    Senior Member
    Join Date
    Sep 2014
    Location
    India , New Delhi Uttam nagar
    Posts
    328

    Re: What is difference between stable and unstable sorting algorithm?

    Stable sort is when the sequence of "equal" elements before sorting remains the same after sorting.
    Any unstable sorting algorithm can also be made stable if you also take into account the index of the element in list before it was sorted and compare equal elements using it.

 

 

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