#include <iostream>
#include <iomanip>
using namespace std;
int main()
{
	double list[4]={10.1234, 20.1234, 30.1234, 40.1234},
		*p;
		
	p = list;	//NOTE:  list is a constant pointer to list[0]
	
	for (int k=0; k<4; k++)
	{
		//NOTE:  With the use of "fixed" manipulator,
		//	        setprecision() sets the number of digits to the right of decimal
		cout << fixed << setprecision(2) << list[k] << endl;
		cout << *(p+k) << endl;
		cout << p[k] << "\n\n";
	}
	
	return 0;
}