C++ simple I/O format control

ps: Include the iomanip header file at the beginning of the source program

Commonly used I/O stream library manipulators

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dec | Decimal representation of numeric data

hex | Numerical data hexadecimal representation

oct | numeric data octal representation

ws | extract whitespace

endl | Insert a newline and flush the stream

ends | Insert a null character

setsprecision(int) | Sets the number of decimal places for floating point numbers

                          | include decimal point

setw(int) | set field width

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For example:

 

 

 

 

 

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