assignment4-2-5-sum.cpp

this code is code c++. have many lesson

#include <iostream>
using namespace std;

int main()
{
    double num,ans;
    cout << "Enter The integer number : ";
    cin >> num;
    
    
    for (double i=1; i<=num; i++)
    {
        ans = ans+(1/i);
    }
    
    
    cout << "Answer is : " << ans << endl;
    
    
    
    
    
    system("PAUSE");
    return 0;
}