#shell sort complexity

Shell Sort Program and Complexity (Big-O)

Shellsort is an in-place comparison sort, also known as Shell sort or Shell’s method. It’s mainly variation of insertion sort or bubble sort . There was one drawback with insertion sort, we move elements only one position ahead but when an elements are too far then lots of movements are involved. To reduce these movements Shell sort come with idea of allow exchange of far items.

Shell Sort Steps