Write a program that illustrates the run time field width and precision adjustment while using printf( ).

C Programming Language / Loop control in C Language

1401

Program:

/*
 Program:  Write a program that illustrates the run time field width and
  precision adjustment while using printf( ).  
  
 Author: www.atnyla.com  
 
*/ 

#include "stdio.h" 
int main()
{
  double x=1234.567890;
  int i=8,j=2;

  while(i<12)
  {
   j=2;
   while(j<5)
   {
     printf("width = %2d precision = %d display >>%*.*lf<<\n",i,j,i,j,x);
     j++;
   }
   
   i++;
   }
  return 0;
}

Output:

width =  8 precision = 2 display >> 1234.57<<
width =  8 precision = 3 display >>1234.568<<
width =  8 precision = 4 display >>1234.5679<<
width =  9 precision = 2 display >>  1234.57<<
width =  9 precision = 3 display >> 1234.568<<
width =  9 precision = 4 display >>1234.5679<<
width = 10 precision = 2 display >>   1234.57<<
width = 10 precision = 3 display >>  1234.568<<
width = 10 precision = 4 display >> 1234.5679<<
width = 11 precision = 2 display >>    1234.57<<
width = 11 precision = 3 display >>   1234.568<<
width = 11 precision = 4 display >>  1234.5679<<
Press any key to continue . . .

Explanation:

None

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