#include
using namespace std;
int main()
{
cout.setf(ios::showpos);
cout.setf(ios::scientific);
cout << 123 << " " << 123.23 << endl;
cout.precision(2); // two digits after decimal point
cout.width(10); // in a field of 10 characters
cout << 123 << " ";
cout.width(10); // set width to 10
cout << 123.23 << endl;
cout.fill('#'); // fill using #
cout.width(10); // in a field of 10 characters
cout << 123 << " ";
cout.width(10); // set width to 10
cout << 123.23;
return 0;
}