decimal, hexadecimal and octal output 1.3 [set width]

Bjarne Stroustrup “Programming Principles and Practice Using C++”
Chapter 11 Drill 4
Using std_lib_facilities.h by Bjarne Stroustrup.

[code language=”cpp”]
// Philipp Siedler
// Bjarne Stroustrup’s PPP
// Chapter 11 Drill 4

#include "std_lib_facilities.h"

int birth_year = 1988;

int main()
try
{
int width = 12;
cout << setw(width) << "decimal\t" << dec << birth_year << endl;
cout << setw(width) << "hexadecimal\t" << hex << birth_year << endl;
cout << setw(width) << "octadecimal\t" << oct << birth_year << endl;

keep_window_open();
}
catch (runtime_error e) {
cout << e.what() << endl;
keep_window_open();
}
catch (…) {
cout << "Exiting" << endl;
keep_window_open();
}
[/code]

Output:
    decimal     1988
hexadecimal     7c4
octadecimal     3704
Please enter a character to exit

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