Fibonacci series in c++ smart code

#include<iostream>

using namespace std;

int fibonacci_series(int i)

{

if(i==1)

{

return 0;

}

else if(i<3)

{

return 1;

}

else

{

return (fibonacci_series(i-1)+fibonacci_series(i-2));//call recursive function

}

}

void main()

{

int limit;

cout<<" Insert the limit of fibonacci series:";

cin>>limit;

for(int a=1;a<=limit;a++)

{

cout<<fibonacci_series(a)<<",";

}

}

c++ recursive functions