14.What happens to output when data is sent to the output stream width that is wider than that set with the setw(int) manipulator, or equivalently, with cout.width(int)?
15.What is sent to screen when the following is executed, assuming that these lines of code are embedded in a correct, complete program? Explain this behavior.
cout << “*” << setw(3) << 123456 << “*” << endl;
16.You have to #include <iomanip> as well as #include <iostream> when you use a line of code such as
cout << setw(8) << 123456 << endl;
but not have to #include <iomanip> when you do the exact equivalent thing in
cout << 123456 << endl;
Why is this?
17.Write a function that will copy the contents of file in.dat to the file out.dat. Check for successful file opening of both in.dat and out.dat. The loop that actually does the copy should terminate on end of file.
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