C++ program to find nth term Harmonic progression(HP)

Here is a C++ program to find nth term Harmonic progression(HP)


 SOURCE CODE OUTPUT

#include<iostream>
using namespace std;
int main()
{
    long d,n,a1;
    float an;
    cout<<"Enter first term ";
    cin>>a1;
    cout<<"Enter difference ";
    cin>>d;
    cout<<"Enter nth term ";
    cin>>n;
    cout<<n<<"th term of H.P. : ";
    an=a1+(n-1)*d;
    cout<<"1/"<<an<<"   ";
    return 0;
}

Any questions regarding to program please write in comments.