Sort array calculation

sort_array.cpp

#include <iostream>
#include <string>
#include <iomanip>
using namespace std;

const int array_size = 9;
int array_of_numbers[array_size];


void exchangeSort(){
     int i, j;
     int temp;
     for (i=0; i <= array_size; i++) {
          for(j = i; j <= array_size; j++){
                if (array_of_numbers[i] > array_of_numbers[j]){
                    temp= array_of_numbers[i];
                    array_of_numbers[i] = array_of_numbers[j];
                    array_of_numbers[j] = temp;
               }
          }
     }
}

void main() {
	cout << "Please enter the numbers you would like to order" << endl;
	for(int count = 0; count <= array_size; count++){
		cout << "Please enter a number for number " << count + 1 << ":";
		cin >> array_of_numbers[count];
	}
	exchangeSort();
	cout << "The array has been ordered and printed below" << endl;
	for(int count = 0; count <= array_size; count++){
		cout << array_of_numbers[count] << " ";
	}
	cout << endl;

	system("pause");
}