/* Fibonacci (1 to n) - Program to print those terms of fibonacci series which are between 1 and n */

/* We assume that the fibonacci series starts with 1 1 */

#include  <stdio.h>
#include  <conio.h>

void main()
{
    long  a=1,b=1, c ;
    int  i, n ;
    clrscr() ;
    printf("Enter n: ") ;
    scanf("%d", &n) ;
    printf("Fibonacci series is as shown: \n") ;
    if(n==1)
        printf("%ld %ld ", a, b) ;
    else if(n>1)
        {
            printf("%ld %ld ", a, b) ;
            c=a+b ;
            do
                {
                    printf(" %ld ", c) ;
                    a=b ;
                    b=c ;
                    c=a+b ;
                }
            while(c<=n) ;
        }
    getch() ;
}

/*
Output 1:

Enter n: 1
Fibonacci series is as shown:
1 1

Output 2:

Enter n: 3
Fibonacci series is as shown:
1 1  2  3

Output 3:

Enter n: 4
Fibonacci series is as shown:
1 1  2  3
*/