fibonacci series using iterative method
#include <iostream>
using namespace std;
void fib(int num) {
int x = 0, y = 1, z = 0;
for (int i = 0; i < num; i++) {
cout << x << " ";
z = x + y;
x = y;
y = z;
}
}
int main() {
int num;
cout << "Enter the number : ";
cin >> num;
cout << "\nThe fibonacci series : " ;
fib(num);
return 0;
}