Question

Write a cout statement that uses the setw manipulator to display the number variable with a field width of 4. Do not use an endl manipulator in your statement. (Assume the program includes the necessary header file for the setw manipulator.)

Answer 1

Answer:

Following are the statement in C++ Programming language

cout<<setw(4);// set the width

cout<<number; // print the number with the width of 4

Explanation:

The  setw() is setting  according to the width defined as the argument to the function .The setw()  is under the ios header library .It means its definition is under the ios header file .

Following are the syntax to defined the setw() function that are given below

 setw(int k)

For example

include <iomanip>   // header file

#include <ios>   // header file

#include <iostream>   // header file

using namespace std;   // namespace

int main()   // main function

{    

   int number = 60;// variable declaration  

   cout << "previous width:" << number; // print  

   cout << " After setting the width"<< setw(4);  

   cout << number;     // display number

   return 0;  

}