C++ Tutorial/Development/cout fill

#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
  cout.setf(ios::hex, ios::basefield);
  cout << 100 << "\n";  // 100 in hex
  cout.fill("?");
  cout.width(10);
  cout << 2343.0;
  return 0;
}

#include <iostream.h>
main(void)
{
  float a=100100.0, b=0.08;
  cout.setf(ios::right|ios::scientific|ios::showpoint);
  cout.width(20);   
    cout<<(a/b)<<endl;
  cout.fill("$");  
  
  return 0;
}