print-fibonacci-serese-using-do-while-loop.c

/*
Let me tell you what a fibonacci serese it's a serese in which numbers are to be arange in a secquence the secquence is given below

    0  1   1   2   3    5     8  ............... 
    
and we have to print this serese till N. 
where user will give value of N
*/

#include<stdio.h>
void main()
{
     int sum,first,second,Number;

     printf("Enter a number : ");
     scanf(" %d",&Number);
  
     sum = 0 , second = 1 , first = 0;

   do
   { 
     printf( "  %d  ",first );
     sum    = first + second ;
     first  = second ;
     second = sum ;
     Number--;
    }
    while ( Number >= 1 );
}