IOS Formatting Flags:

Flag	Meaning
skipws	Skips white spaces
showbase	Shows base indicator i.e. 0 for octal 0x for hexadecimal
showpoint	Shows decimal point and zeros after for float value
showpos	Shows “+” before positive integers
dec	Convert to decimal
oct	Convert to octal
hex	Convert to hexadecimal
left	Left justify output
right	Right justify output
scientific	Uses exponential format for float values

4   To set ios flags, we use the function “setf”

4   To reset ios flags, we use the function “unsetf”

Example:

main()

{

char x[]=“hello”;

cout.fill(‘*’);

cout.width(10);

cout.setf(ios::left);

cout<<x;           // prints “hello*****”

float f=34.56;

cout.setf(ios::scientific);           

cout<<f;           // prints 3.456e+01

}