#include <iostream> 
  using namespace std; 
  int main() 
  { 
  int n,i; 
  double  sum=0; 
  cout<<"Enter n value:"; cin>>n; 
  for(i=1; i<=n; i++) 
  {sum=sum+1/i;} 
  cout<<"Result="<<sum<<endl; 
  system ("pause"); 
  }