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Add counting sort.

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Oleksii Trekhleb 2018-05-29 07:36:41 +03:00
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@ -217,13 +217,13 @@ Below is the list of some of the most used Big O notations and their performance
### Array Sorting Algorithms Complexity ### Array Sorting Algorithms Complexity
| Name | Best | Average | Worst | Memory | Stable | | Name | Best | Average | Worst | Memory | Stable | Comments |
| --------------------- | :-------: | :-------: | :-----------: | :-------: | :-------: | | --------------------- | :-------: | :-------: | :-----------: | :-------: | :-------: | :-------- |
| **Bubble sort** | n | n^2 | n^2 | 1 | Yes | | **Bubble sort** | n | n^2 | n^2 | 1 | Yes | |
| **Insertion sort** | n | n^2 | n^2 | 1 | Yes | | **Insertion sort** | n | n^2 | n^2 | 1 | Yes | |
| **Selection sort** | n^2 | n^2 | n^2 | 1 | No | | **Selection sort** | n^2 | n^2 | n^2 | 1 | No | |
| **Heap sort** | n log(n) | n log(n) | n log(n) | 1 | No | | **Heap sort** | n log(n) | n log(n) | n log(n) | 1 | No | |
| **Merge sort** | n log(n) | n log(n) | n log(n) | n | Yes | | **Merge sort** | n log(n) | n log(n) | n log(n) | n | Yes | |
| **Quick sort** | n log(n) | n log(n) | n^2 | log(n) | No | | **Quick sort** | n log(n) | n log(n) | n^2 | log(n) | No | |
| **Shell sort** | n log(n) | depends on gap sequence | n (log(n))^2 | 1 | No | | **Shell sort** | n log(n) | depends on gap sequence | n (log(n))^2 | 1 | No | |
| **Counting sort** | n + r | n + r | n + r | n + r | Yes | | **Counting sort** | n + r | n + r | n + r | n + r | Yes | r - biggest number in sorted array |