Fibonacci number on Wiki

http://en.wikipedia.org/wiki/Fibonacci_number

Code:#include <iostream> #include <iomanip> #include <cmath> using namespace std; int power(int a, int b) { int c=a; for (int n=b; n>1; n--) c*=a; return c; } double power(double a, int b) { float c=a; for (int n=b; n>1; n--) c*=a; return c; } int main() { double first,c1,c2,r1,r2,r3; int r,l; first=0.4472135955; c1=1.618033989; c2=-0.6180339887; cout<< " Enter long The series "; cin>>l; for (int i=1; i<l; i++) { r1=power(c1,i); r2=power(c2,i); r3= r1-r2; r= first*r3; cout<<r<<","; } cout <<endl; system("pause"); return 0; }