Fibonacci Series C++

To print fibonacci series add two previous term and get next term, this process follow until your requirment complete. Fibonacci Series C++

#include <iostream>
using namespace std;
int main()
{
int num1 = 0;
int num2 = 1;
int num_temp;
int num_next = 1;
int n;
cin >> n;
if (n>=1)
cout << num1 << " ";
if (n>=2)
cout << num2 << " ";
for (int i = 0; i < n-2; i++)
{
num_next = num1 + num2;
cout << num_next << " ";
num1 = num2;
num2 = num_next;
}
cout << endl;
return 0;
}