#include <iostream>
using namespace std;
// Recursive function to sort an array using
// insertion sort
void insertionSortRecursive(int arr[], int n)
{
// Base case
if (n <= 1)
return;
// Sort first n-1 elements
insertionSortRecursive( arr, n-1 );
// Insert last element at its correct position
// in sorted array.
int last = arr[n-1];
int j = n-2;
/* Move elements of arr[0..i-1], that are
greater than key, to one position ahead
of their current position */
while (j >= 0 && arr[j] > last)
{
arr[j+1] = arr[j];
j–;
}
arr[j+1] = last;
}
// A utility function to print an array of size n
void printArray(int arr[], int n)
{
for (int i=0; i < n; i++)
cout << arr[i] <<” “;
}
/* Driver program to test insertion sort */
int main()
{
int arr[] = {12, 11, 13, 5, 6};
int n = sizeof(arr)/sizeof(arr[0]);
insertionSortRecursive(arr, n);
printArray(arr, n);
return 0;