#include<iostream>

int main () {
  int n;
  float reslt;
  std::cout << " Entrez un enter n, ce programme calcule la somme des inverses de 1 a n" << std::endl;
  std::cin >> n; 
  for (int i=1; i <= n; i ++) {
	reslt += 1.0/i;
  }
  std::cout<<"Le resultat est : "<< reslt <<std::endl;
  return 0;
  }