Program to generate n fibonacci Series.

#include<stdio.h>

main()

{

      int f1=0,f2=1,f3,n,i;

      clrscr();

      printf("\nEnter the nth number");

      scanf("%d",&n);

      printf("\nFirst %d Fibonacci numbers are :",n);

      if(n==1)

      {

            printf("\n%d",f1);

      }

      if(n==2)

            printf("\n%d %d\t",f1,f2);

      else

      {

            printf("%d\t%d\t",f1,f2);

            i=2;

            while(i<n)

            {

                  f3=f1+f2;

                  printf("%d\t",f3);

                  f1=f2;

                  f2=f3;

                  i++;

            }

      }

      getch();