# Which sorting is best and why?

Asked by **Joseph Britt** on September 10, 2021

Categories: Technology and computing Artificial intelligence

Rating: **4.9/5** (66 votes)

Even though quick-sort has a worst case run time of Θ(n2), quicksort is considered the best sorting because it is VERY efficient on the average: its expected running time is Θ(nlogn) where the constants are VERY SMALL compared to other sortingalgorithms.

**Is bucket sort stable?** Bucket sort is stable, if the underlying sort is also stable, as equal keys are inserted in order to-each bucket. Counting sort works by determining how many integers are behind each integer in the input array A.

**How does Bucket sort work?** Bucket sort, or bin sort, is a sorting algorithm that works by distributing the elements of an array into a number of buckets. Each bucket is then sorted individually, either using a different sorting algorithm, or by recursively applying the bucket sorting algorithm. Set up anarray of initially empty "buckets".

**Is merge sort in place?** Unlike some (efficient) implementations of quicksort, merge sort is a stable sort. Merge sort's most common implementation does not sort in place; therefore, the memory size of the input must be allocated for the sorted output to be stored in (see below for versions that need only n/2 extraspaces).

**Why is quicksort better than mergesort?** Why quicksort is better than mergesort Quick sort is an in-place sorting algorithm. In-place sorting means no additional storage space is needed to perform sorting. Merge sort requires a temporary array to merge the sorted arrays and hence it is not in-place giving Quick sort the advantage of_space.

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