Question

1. Write a C++ program to solve S = 1 + 1/2 + 1/3 + …. + 1/n. You can use either input from a user or created random number using rand() function.

Answer 1

#include <iostream>
using namespace std;

int main(){
   int n;
   float sum = 0;
   
   cout<<"Enter value for n: ";
   cin>>n;
   
   for(int i = 1;i<=n;i++){
       sum += (1.0/i);
   }
   
   cout<<"Sum = "<<sum<<endl;
   
    return 0;
}

$\color{blue}\underline{Output:}$

Enter value for n: 5 Sum = 2.28333