// Fig. 7.19: fig07_19.cpp
// This program sorts an array's values into ascending order.
#include <iostream>
#include <iomanip>
using namespace std;

int main()
{
   const int arraySize = 10; // size of array a
   int data[ arraySize ] = { 34, 56, 4, 10, 77, 51, 93, 30, 5, 52 };
   int insert; // temporary variable to hold element to insert

   cout << "Unsorted array:\n";

   // output original array
   for ( int i = 0; i < arraySize; ++i )
      cout << setw( 4 ) << data[ i ];

   // insertion sort
   // loop over the elements of the array
   for ( int next = 1; next < arraySize; ++next )
   {
      insert = data[ next ]; // store the value in the current element
      
      int moveItem = next; // initialize location to place element
	  
	  // search for the location in which to put the current element     
      while ( ( moveItem > 0 ) && ( data[ moveItem - 1 ] > insert ) )
      {
         // shift element one slot to the right
         data[ moveItem ] = data[ moveItem - 1 ];
         --moveItem;
      } // end while
   
      data[ moveItem ] = insert; // place inserted element into the array
   } // end for

   cout << "\nSorted array:\n";

   // output sorted array
   for ( int i = 0; i < arraySize; ++i )
      cout << setw( 4 ) << data[ i ];

   cout << endl;
} // end main

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