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which sorting method works fastest:
1.randomized array
2.nearly sorted array
3.reversed
4.array with duplicates
*(assume that it is a large array with like 100,000 numbers)
 one year ago
 one year ago
which sorting method works fastest: 1.randomized array 2.nearly sorted array 3.reversed 4.array with duplicates *(assume that it is a large array with like 100,000 numbers)
 one year ago
 one year ago

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liliyBest ResponseYou've already chosen the best response.0
no, i think u misunderstood my question. basically i need to do it 4 diff ways and seee hich one is the best for diff methods these are my answers: ranomized:best is: mergesort reverse:bubblesort nearly sorted:bubblesort duplicates: selectionsort
 one year ago

liliyBest ResponseYou've already chosen the best response.0
if my choices are correct/make sense/ like for a randomized array, it is sorted fastest using mergesort reverse is fastest with bubble...
 one year ago

xaadi1993Best ResponseYou've already chosen the best response.0
isnt reverse better with insertion sort?
 one year ago

liliyBest ResponseYou've already chosen the best response.0
oh, ya, but thats not one of my choices.. i have buble sort,mege, selection
 one year ago

xaadi1993Best ResponseYou've already chosen the best response.0
use merge here because bubble sort will take more steps
 one year ago

bdean20Best ResponseYou've already chosen the best response.0
Of your choices, merge sort is by far the best. Quicksort is probably the other major alternative to have a look at. A cool one for arrays with only a small range of possible numbers is counting sort: http://en.wikipedia.org/wiki/Counting_sort
 one year ago

jaskiratsinghBest ResponseYou've already chosen the best response.2
Merge sort and Randomised Quicksort have running times of O(n lg n). Bubble sort and Selection sort is O(n^2) Now O(n lg n) is faster than O( n^2), for a large enough n. Hence, Merge sort and Quicksort beats Bubble and Selection sort. Also, Counting sort has linear running time O(n). So, that's even better that O(n lg n), but it's complex and a little hard to understand.
 one year ago

infinity_Best ResponseYou've already chosen the best response.0
http://www.sortingalgorithms.com/
 one year ago

infinity_Best ResponseYou've already chosen the best response.0
the url above tells me randomized > merge sort revese > shell sort nearly sorted>insertion sort duplicates > quick sort, but insertion works quite good as well.
 one year ago
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