Fibonacci series.

#include<stdio.h>

#include<conio.h>

void main()

{

 int n,a,b,c;

 int i=2;

 clrscr();

 printf("Enter number of terms=");

 scanf("%d",&n);

 printf("enter 1st term=");

 scanf("%d",&a);

 printf("enter 2nd term=");

 scanf("%d",&b);

 printf("%d ",a);

 printf("%d ",b);

 while(i<n)

 {

  c=a+b;

  printf("%d ",c);

  i=i+1;

  a=b;

  b=c;

 }

 getch();

 }

■》 Output->

Enter number of terms=6

enter 1st term=0

enter 2nd term=1

0   1  1   2  3  5