How to resolve the algorithm Sorting algorithms/Insertion sort step by step in the Arturo programming language

Published on 12 May 2024 09:40 PM

How to resolve the algorithm Sorting algorithms/Insertion sort step by step in the Arturo programming language

Table of Contents

Problem Statement

An O(n2) sorting algorithm which moves elements one at a time into the correct position. The algorithm consists of inserting one element at a time into the previously sorted part of the array, moving higher ranked elements up as necessary. To start off, the first (or smallest, or any arbitrary) element of the unsorted array is considered to be the sorted part. Although insertion sort is an O(n2) algorithm, its simplicity, low overhead, good locality of reference and efficiency make it a good choice in two cases:

The algorithm is as follows (from wikipedia): Writing the algorithm for integers will suffice.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Sorting algorithms/Insertion sort step by step in the Arturo programming language

Source code in the arturo programming language

insertionSort: function [items][
    arr: new items 
    loop 1..(size items)-1 'i [
        value: arr\[i]
        j: i - 1

        while [and? -> j >= 0 
                    -> value < arr\[j]]
        [
            arr\[j+1]: arr\[j]
            j: j - 1
        ]
        arr\[j+1]: value
    ]
    return arr
]

print insertionSort [3 1 2 8 5 7 9 4 6]


  

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