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Swap sort is another sorting algorithm based on exchanges. Like bubble sort, swap sort compares pairs of elements and swaps them when they are out
Swap sort is another sorting algorithm based on exchanges. Like bubble sort, swap sort compares pairs of elements and swaps them when they are out of order, but swap sort looks at different pairs of elements than bubble sort does. On pass i of swap sort, the element in position i of the array is compared with the elements in all positions to the right of position i and pairs of elements are swapped as needed. At the end of pass i the element in position i is where it belongs in the sorted array. For example, lets say that we have the following initial array: On pass swap sort compares the element in position with the elements in positions through n where n is the number of elements in the array. First, is compared to and because is less than the two elements are swapped: Next, which is now in position is compared to and no swap occurs because is already smaller than Then is compared with and the two elements are swapped: Finally, is compared to and no swap occurs because is already smaller than At this point, pass is complete, and the element in position the is where it belongs in the sorted array. On pass swap sort compares the element in position with the elements in positions through n and performs swaps when needed. The process continues for passes through n at which point the array is fully sorted. What is the best case for this algorithm? In this best case, what is the bigO expression for the number of comparisons that it performs? For the number of moves? What is its overall time efficiency? Explain your answers briefly. What is the worst case for this algorithm? In this worst case, what is the bigO expression for the number of comparisons? For the number of moves? What is its overall time efficiency? Explain your answers briefly.
Swap sort is another sorting algorithm based on exchanges. Like bubble sort, swap sort compares pairs of elements and swaps them when they are out of order, but swap sort looks at different pairs of elements than bubble sort does. On pass i of swap sort, the element in position i of the array is compared with the elements in all positions to the right of position i and pairs of elements are swapped as needed. At the end of pass i the element in position i is where it belongs in the sorted array.
For example, lets say that we have the following initial array:
On pass swap sort compares the element in position with the elements in positions through n where n is the number of elements in the array. First, is compared to and because is less than the two elements are swapped:
Next, which is now in position is compared to and no swap occurs because is already smaller than Then is compared with and the two elements are swapped:
Finally, is compared to and no swap occurs because is already smaller than At this point, pass is complete, and the element in position the is where it belongs in the sorted array.
On pass swap sort compares the element in position with the elements in positions through n and performs swaps when needed. The process continues for passes through n at which point the array is fully sorted.
What is the best case for this algorithm? In this best case, what is the bigO expression for the number of comparisons that it performs? For the number of moves? What is its overall time efficiency? Explain your answers briefly.
What is the worst case for this algorithm? In this worst case, what is the bigO expression for the number of comparisons? For the number of moves? What is its overall time efficiency? Explain your answers briefly.
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