Counting Sort - Python Implementation

Published: 07 July 2021
on channel: CS School
207
5

Counting Sort:
The Counting Sort is like simply counting values in a List that whether they’re greater/less (Comparison) than each other.

The counting_sort() Function :
Using counting_sort() function, we can sort array items based on their values. By supplying a key function, we can sort by anything we’d like. The common implementation of Counting sort is simply counts the elements and then figures out where to put them in the sorted array. But using python we can just build value lists for each key and then concatenate them.
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Counting-sort does need more space than an in-place algorithm like Quicksort, for example, because it builds multiple list to count values in the list. So if we've a data set and value range is large then we might get a slowdown from a lack of memory.


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