good_progress_bar.cpp

#include <iostream>
#include <unistd.h>

const int SECOND = 1000000; //one second = 1x10^6 microseconds
using namespace std;


int main()
{

 for (int i = 0; i <= 10; i++)
 {
  cout << ".";
  cout.flush ();
  usleep (0.5 * SECOND);
 }

 cout << endl;
 return 0;
}