Enhanced Shell Sorting Algorithm.
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Enformatika (2007)

Many algorithms are available for sorting the unordered elements. Most important of them are Bubble sort, Heap sort, Insertion sort and Shell sort. These algorithms have their own pros and cons. Shell Sort which is an enhanced version of insertion sort, reduces the number of swaps of the elements being sorted to minimize the complexity and time as compared to insertion sort. Shell sort improves the efficiency of insertion sort by quickly shifting values to their destination. Average sort time is O(n<sup>1.25</sup>), while worst-case time is O(n<sup>1.5</sup>). It performs certain iterations. In each iteration it swaps some elements of the array in such a way that in last iteration when the value of h is one, the number of swaps will be reduced. Donald L. Shell invented a formula to calculate the value of 'h'. this work focuses to identify some improvement in the conventional Shell sort algorithm. "Enhanced Shell Sort algorithm" is an improvement in the algorithm to calculate the value
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