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Learn C++ for free with this interactive course, and get a handle on one of the most popular programming languages in the world.

You'll start with a simple hello world program and proceed to cover core concepts such as conditional statements, loops, and functions in C++, before moving on to more advanced topics like inheritance, classes, and templates, along with much more.

By the time you're done, you'll be an intermediate level C++ developer, ready to take on your own projects.

Learn C++ from Scratch

## Problem Statement 

In this exercise you have to write a function `DigitSum` to find the **sum** of **digits** of a number using *recursion*. 

### Example 
**Input:**  
```
25 
```
**Output:**
```
7
```

# Problem Statement 

In this exercise you have to write a function `DigitSum` to find the **sum** of **digits** of a number using *recursion*. 

## Example 
**Input:**  
```
25 
```
**Output:**
```
7
```

This exercise requires you to use recursion to calculate the sum of digits of a number passed 

Exercise 3: Sum of Digits Using Recursion

This exercise requires you to use recursion to calculate the sum of digits of a number passed

Introduction

Variables & User Input

Simple Maths

Conditional Statements

Loops

Functions and Recursion

C++ Exam 1

Pointers & Arrays

C++ Exam 2

Classes and Inheritance

Templates

C++ Exam 3

Exercise 3: Sum of Digits Using Recursion

Problem Statement

Example