Oct 18, 2011

C program to print Fibonacci numbers using Recursion

C Program to print Fibonacci numbers. In this program we used the Recursion method. Recursion is the programming technique that a process invoking itself again and again. Fibonacci numbers are sequence of numbers starts from 0 and 1 , continue by adding previous number. 0,1,1,2,3,5,8,13,........ Read more about C Programming Language .

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#include<stdio.h> 
#include<conio.h> 
int fib(int); 
int f=1,fib1=0,fib2=0,i=0,j; 
void main() 
{ 
 int num; 
 clrscr(); 
 printf(" How many Fibonacci numbers do you want?\n"); 
 scanf("%d",&num); 
 printf("\nFibonacci Numbers are:\n");
 f=0; 
 printf("\n%d\n",f); 
 f=1; 
 printf("\n%d\n",f); 
 for(j=0;j<num-2;j++) 
 { 
  f=fib(num); 
  printf("\n%d\n",f); 
 } 
 getch(); 
} 
int fib(int n) 
{ 

 while(i<n) 
 { 
  if(i<=n) 
  { 
   i++; 
   fib1=fib2; 
   fib2=f; 
   f=fib2+fib1; 
   fib(1); 
   return f; 
  } 
 } 

} 


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