{

using namespace std;

//use left justification,show the plus sign,show trailing

//zeros,with a precision of 3

cout.setf(ios_base::left,ios_base::adjustfield);

cout.setf(ios_base::showpos);

cout.setf(ios_base::showpoint);

cout.precision(3);

//use e-notation and save old format setting

ios_base::fmtflags old = cout.setf(ios_base::scientific,ios_base::floatfield);

cout << "Left Justification: \n";

long n;

for (n = 1; n <

= 41; n += 10)

{

cout.width(4);

cout << n << "|";

cout.width(12);

cout << sqrt(double(n)) << "|\n";

}

//change to internal justification

cout.setf(ios_base::internal,ios_base::adjustfield);

//restore default floating-point display style

cout.setf(old,ios_base::floatfield);

cout << "Internal Justification: \n";

for (n = 1; n <= 41; n += 10)

{

cout.width(4);

cout << n << "|";

cout.width(12);

cout << sqrt(double(n)) << "|\n";

}

//use right justification, fixed natation

cout.setf(ios_base::right,ios_base::adjustfield);

cout.setf(ios_base::fixed,ios_base::floatfield);

cout << "Right Justification: \n";

for (n = 1; n <= 41; n += 10)

{

cout.width(4);

cout << n << "|";

cout.width(12);

cout << sqrt(double(n)) << "|\n";

}

return 0;

}