Sorting
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Sorting | |
Algorithms | |
Bubble sort | |
Insertion sort | |
Selection sort | |
Quicksort | |
Merge sort | |
Heap sort | |
Introsort | |
Counting sort | |
Problems | |
Problems solvable using sorting |
Sorting is a fundamental algorithm in Computer Science. A sorting algorithm takes a list as the input, and returns a list in an order. It is often the first step in many algorithms, and thus setting the lower bound for complexity.
Definition[edit]
Given a list S with N elements, is defined as follows:
- for , .
- S' is a permutation of S.
Sorting Algorithms and Complexities[edit]
- n is the number of elements
- k is the number of distinct objects
Algorithm | Time Complexity | Space Complexity |
Bubble sort | - in place, extra space. | |
Insertion sort | - in place, extra space. | |
Selection sort | - in place, extra space. | |
Merge sort | - extra space. | |
Heap sort | - in place, extra space. | |
Quicksort | - expected, and with high probability. | inplace. |
Introsort | - extra space. | |
Counting sort | ||
Timsort | Best case Worst Case |