Selection Sort

Selection sort is essentially the opposite of insertion sort in the way it works. Insertion starts at the left side of the array and selection starts at the right. It performs best when the array is reverse sorted. However, it does not perform well compared to any other algorithm case.

Asymptotic Complexity


Pseudo Code

    // side effect: rearranges the values in A
    A = input array

    for i = 0 to num of items in A - 1:
        lowest = A[i]

        for j = i + 1 to num of items in A:
            if lowest > A[j]:
                lowest = A[j]

        swap lowest and A[i]

Source Code

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