Fibonacci Series using Constructor

Question

How to make an OOPs program, using Constructor, to print a Fibonacci series upto a number 'n'?

Answer 1

#include <iostream>

using namespace std;

class Fib{
public:
Fib(int n){
int num1 = 1;
int num2 = 1;
int num3 = 1;
for(int i=0;i<n;i++){
num1 = num2;
num2 = num3;
num3 = num1 + num2;
cout<<i;
cout<<". ";
cout<<num1;
cout<<"\n";
}
}
};

int main(){
int a;
cin>>a;
Fib fib(a);
};

Answer 2

that would be one way