iomanip

The iomanip library in C++ provides a set of tools for formatting input and output. It includes functions and manipulators that allow you to control the formatting of data when it is displayed on the screen or read from the keyboard. By using iomanip, you can control the width, precision, and alignment of data, as well as set flags for formatting options such as showing the plus sign for positive numbers, showing trailing zeros, and more. This library is a powerful tool for customizing the appearance of your program's input and output.