Write a c++ program that usesinsertion sort to sort an unsorted list of numbers.

C++ program - Insertion sort

#include <bits/stdc++.h>  

using namespace std;  

/* Defining function for sorting numbers*/

void insertionSort(int array[], int n)  

{  

   int i, k, a;  

  for(i=1;i<n;i++)

           {

              k=array[i];

               a=i-1;

            while(a>=0 && array[a] > k) // moving elements of array[0 to i-1] are greater than k, to one position //

                      {

                       array[a+1] = array[a];

                        a =a-1;

                      }

              array[a+1] =k;

             }  

}              

/* Driver function */

int main()  

{  

   int array[] = { 12,56,76,43,21};   //input integers

   int n = sizeof(array) / sizeof(array[0]);   //finding size of array

   insertionSort(array, n);   //Calling function

    for (int i = 0; i < n; i++)   //printing sorted array

        cout << array[i] << " ";  

    cout << endl;  

    return 0;  

}  

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