Array Sorting

Array Sorting, effective method (Bubble-Sort)

#include <iostream>
#include <iomanip>>

using namespace std;

/* run this program using the console pauser or add your own getch, system("pause") or input loop */

int main() {

    int temp;
    int n = 4;

    int arr[n] = {7, 8, 2, 1};

    for(int x = 0; x < n; x++)
    {
        for(int k = 0; k < n; k++)
        {
            if(arr[k] > arr[k + 1])
            {
                temp = arr[k];
                arr[k] = arr[k + 1];
                arr[k + 1] = temp;
            }
        }
    }

    for(int c = 0; c < n; c++)
        cout << arr[c] << endl;

    return 0;
}