Formatted output in C++

Using formatted output in C++ program

#include <iostream>

using namespace std;

int main()

{

   cout.precision(5) ;

   cout.width(10);

   cout << 12.345678 << "\n"; // output 12.346

 

   cout.fill('-');

   cout.width(10);

   cout << 12.345678 << "\n"; // output ----12.346

 

   cout.width(10);

   cout << "Hello!" << "\n"; // Output ----Hello!

   cout.width(10);

 

   cout.setf(ios::left); // left justify

   cout << 12.345678; // Output 12.346----

   return 0;

}

Output of program

    12.346

----12.346

----Hello!

12.346----

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