Thread: Help sorting arrays

  1. #1
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    Help sorting arrays

    I need to sort an array using quicksort, selection sort, and bubblesort or insertion sort.
    Anyone know of some good sites to find the code I need? I've looked at some tutorials, but I'm not sure how to implement what I've seen to my arrays in particular.
    Thanks!

  2. #2
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    Here's bubble sort, but you're better off doing the insertion sort since it's more useful
    Code:
    #include <iostream>
    
    using namespace std;
    
    int main()
    {
        int a[] = {5,4,7,6,3,7,1};
    
        // Simple bubble sort
        for (int i = 0; i < 7; i++)
        {
            for (int j = i; j < 7; j++)
            {
                if (a[j] < a[i])
                {
                    int temp = a[i];
                    a[i] = a[j];
                    a[j] = temp;
                }
            }
        }
    
        for (int k = 0; k < 7; k++)
            cout<< a[k] <<' ';
    
        cout<<endl;
    }
    However, since I won't give you the code for all of them, you can find info and implementations here.

  3. #3

  4. #4
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    That really helps a lot, thank you both for your help, i'll try it out now!

  5. #5
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