I got a problem. I’m very confused over shell sort and insertion sort algorithms. How should we distinguish from each other?
I got a problem. I’m very confused over shell sort and insertion sort algorithms.
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I got a problem. I’m very confused over shell sort and insertion sort algorithms. How should we distinguish from each other?
You can implement insertion sort as a series of comparisons and swaps of contiguous elements. That makes it a “stable sort”. Shell sort, instead, compares and swaps elements which are far from each other. That makes it faster.
I suppose that your confusion comes from the fact that shell sort can be implemented as several insertion sorts applied to different subsets of the data. Note that these subsets are composed of noncontiguous elements of the data sequence.
See the Wikipedia for more details 😉