Gain insights into dynamic memory allocation, creating classes, and functions. Delve into inheritance, I/O, exception handling. Explore 90+ examples to master advanced C++ functionalities.

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If you’re looking to sharpen up your C++ programming skills, then you’re in the right place. You will start with learning about dynamic memory allocation, how to create classes, and constructors. 

In the latter half of the course, inheritance, functions, I/O, exception handling, and more. Throughout the course, you will study over 90 carefully designed examples aimed to enhance your understanding of the C++ language.  

By the time you finish this course, you will be able to use more advanced functionality in your C++ programs.

C++ Programming for Experienced Engineers

## Challenge

Write a program to find all curious numbers, up to 10000, that are equal to the sum of the factorial of their digits.

For this problem, you have to write two functions:

**1.** `factorial ( )` 

This function takes an integer as its argument, calculates its factorial, and returns it. 

**2.** `isCurious ( )` 

 This function also takes an integer as its argument. It returns true if the integer is curious and false otherwise.

## Example 

**145** is a curious number, because:

# Challenge

Write a program to find all curious numbers, up to 10000, that are equal to the sum of the factorial of their digits.

For this problem, you have to write two functions:

**1.** `factorial ( )` 

This function takes an integer as its argument, calculates its factorial, and returns it. 

**2.** `isCurious ( )` 

 This function also takes an integer as its argument. It returns true if the integer is curious and false otherwise.

# Example 

**145** is a curious number, because:

Learn to write the solution for finding curious numbers.

Getting Off the Ground

Starters

Basic C++ Examples

Class Organization Examples

Class Constructor Examples

Classes and Objects Examples

More Classes and Objects Examples

Function Examples

Function Overloading Examples

Operator Overloading Examples

Free Store Examples

Inheritance Examples

Virtual Function Examples

Input Output Examples

Template Examples

Exception Handling Examples

STL Examples

Miscellaneous Examples

Conclusion

Curious Numbers

Challenge

Example