Program to Find the sum of series 1/2+2/3+3/4.....+(N-1)/N

 Problem statement:- Program to Find the sum of series 1/2+2/3+3/4.....+(N-1)/N.

 Data requirement:-

   Input Data:- n

  Output Data:-Sum

  Additional Data:- i

Program in C
  

Here is the source code of the C Program to Find the sum of series 1/2+2/3+3/4.....+(N-1)/N.

Code:

#include<stdio.h>

int main()

{

    int n;

    double sum=0.0,i;

    printf("Enter the range of number:");

    scanf("%d",&n);

    for(i=1;i<=n;i++)

    {

            sum+=i/(i+1);

    }

    printf("The sum of the series = %0.2lf",sum);

}

Input/Output:

Enter the range of number:5

The sum of the series = 3.55

Program in C++

Here is the source code of the C++ Program to Find the sum of series 1/2+2/3+3/4.....+(N-1)/N.

Code:

#include<iostream>

using namespace std;

int main()

{

    int n;

    double sum=0.0,i;

    cout<<"Enter the range of number:";

    cin>>n;

    for(i=1;i<=n;i++)

    {

            sum+=i/(i+1);

    }

    cout<<"The sum of the series = "<<sum;

}

Input/Output:

Enter the range of number:6

The sum of the series = 4.40714

Program in Java

Here is the source code of the Java Program to Find the sum of series 1/2+2/3+3/4.....+(N-1)/N.

Code:

import java.util.Scanner;

public class Sum_Of_Series4 {

public static void main(String[] args) {

Scanner cs=new Scanner(System.in);

int n;

double sum=0.0,i;

     System.out.println("Enter the range of number:");

     n=cs.nextInt();

     for(i=1;i<=n;i++)

     {

             sum+=i/(i+1);

     }

     System.out.println("The sum of the series = "+sum);

     cs.close();

}

}

Input/Output:

Enter the range of number:

10

The sum of the series = 7.980122655122655

Program in Python

Here is the source code of the Python Program to Find the sum of series 1/2+2/3+3/4.....+(N-1)/N.

Code:

n=int(input("Enter the range of number:"))

sum=0.0

for i in range(1,n+1):

    sum += i / (i + 1)

print("The sum of the series = ",sum)

Input/Output:

Enter the range of number:4

The sum of the series =  2.716666666666667

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