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All LessonsFree Lessons (12)

Introduction

Who Should Take This Course?Terminologies Related to Programming A Bit About C++The History of C++Why Use C++?

Getting Started

Your First C++ Program Printing Styles C++ Comments Challenge: Display Text on the Console Solution Review: Display Text on the Console Challenge: Display a Right-Angle Triangle Solution Review: Display a Right-Angle Triangle Quiz

Variables and Constants

Introduction to Variables Variables in C++Identifiers in C++C++ Constants/Literals Challenge: Initialize a Variable and Overwrite its Value Solution Review: Initialize a Variable and Overwrite its Value Challenge: Swap the Values of Two Variables Solution Review: Swap the Values of Two Variables Quiz

Data Types and Input

Data Types Primitive or Fundamental Data Types Data Type Modifiers Type-Casting Strings and Escape Sequences C++ User Input Challenge: Convert Double Value into Integer Solution Review: Convert Double Value into Integer Quiz

Operators

Introduction to Operators Arithmetic Operators Assignment and Compound Assignment Operator Relational Operators Logical Operators Bitwise Operators Precedence and Associativity Challenge: Find the Previous Alphabet Solution Review: Find the Previous Alphabet Challenge: Calculate Hours, Minutes, and Seconds Solution Review: Calculate Hours, Minutes, and Seconds Challenge: Calculate the Area of the Sphere Solution Review: Calculate the Area of the Sphere Quiz

Conditional Statements

Introduction to Conditional Statements If Statement If-else Statement Nested else-if Statement Switch Statement Conditional Operator Challenge: Find the Person with the Highest Salary Solution Review: Find the Person with the Highest Salary Challenge: Check if the Given Character is an Alphabet Solution Review: Check if the Given Character is an Alphabet Challenge: Display Day of the Week Solution Review: Display Day of the Week Quiz

Loops

Introduction to Loops while Loop in C++do-while Loop for Loop Infinite Loop Nested Loop break Statement continue Statement Challenge: Calculate the Power of a Number Solution Review: Calculate the Power of a Number Challenge: Find out if the Given Number is Prime Solution Review: Find out if the Given Number is Prime Challenge: Convert Decimal Number to Binary Solution Review: Convert Decimal Number to Binary Challenge: Find out if the Given Number is a Palindrome Solution Review: Find out if the Given Number is a Palindrome Quiz

Functions

Functions in C++Declaring a Function Defining a Function Calling a Function C++ Function Parameters Pass by Value in Functions Pass by Reference in Functions Scope of Variable Accessing the Value of the Global Variable Challenge: Convert Digits from 0 to 5 into Text Solution Review: Convert Digits from 0 to 5 into Text Challenge: Set the Smallest Number to -1 Solution: Set the Smallest Number to -1 Challenge: Design a Calculator Solution Review: Design a Calculator Quiz

Recursion

What is Recursion?

Structure of a Recursive Program

Calculating the Factorial of a Number

Recursion vs Iteration

Challenge: Calculate the Power of a Number Recursively

Solution Review: Calculate the Power of a Number Recursively

Challenge: Count the Digits in a Number Using Recursion

Solution Review: Count the Digits in a Number Using Recursion

Challenge: Calculate the nth Fibonacci Number using Recursion

Solution Review: Calculate nth Fibonacci Number Using Recursion

Arrays

Introduction to Arrays Creating an Array Accessing an Array Arrays and Functions Creating a Two-Dimensional Array Accessing Two-Dimensional Arrays Challenge: Calculate the Average Marks of a Class Solution Review: Calculate the Average Marks of a Class Challenge: Left Rotate Array Solution Review: Left Rotate Array Challenge: Sort Elements of an Array in Descending Order Solution Review: Sort Elements of an Array in Descending Order Challenge: Add Main Diagonal Elements in a Matrix Solution Review: Add Main Diagonal Elements in a Matrix Challenge: Multiply Two Matrices Solution Review: Multiply Two Matrices Quiz

Pointers

Computer Memory Variables and Memory Address-of Operator What is a Pointer?Dereferencing Operator Function and Pointers Challenge: Calculate the Area of a Rectangle Using Pointers Solution Review: Calculate the Area of a Rectangle Using Pointers Challenge: Calculate the Sum and Absolute Difference Solution Review: Calculate the Sum and Absolute Difference Quiz

Dynamic Memory Allocation

Types of Allocation Allocation of Dynamic Memory Deallocation of Dynamic Memory Dynamic Arrays Challenge: Set the Odd Elements in a Dynamic Array to -1 Solution Review: Set the Odd Elements in a Dynamic Array to -1 Challenge: Delete an Element at a Specific Index Solution Review: Delete an Element at a Specific Index Quiz

Structures

Introduction to Structures Defining Structure in C++Declaring Structure Variables in C++Initializing and Accessing Members of a Structure Variable in C++Array of Structures Structure and Functions Structure and Pointers Challenge: Subtract Two Complex Numbers Solution Review: Subtract Two Complex Numbers Challenge: Calculate Overall Percentage of Student's Marks Solution Review: Calculate Overall Percentage of Student's Mark Challenge: Account Number of Customers with Balance < $500 Solution Review: Account Number of Customers with Balance < $500 Quiz

Mini Project

Mini Project 1: Grayscale to Binary Image

Mini Project

Mini Project 2: Hangman Game

Mini Projects Solution

Solution: Mini Project 1 Solution: Mini Project 2

Conclusion

Appendix

Anatomy of a "Hello World!" Program Compiling a C++ program Keywords in C++

Course Assessment

C++ Exam

Learn C++: The Complete Course for Beginners/

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What is Recursion?

What is Recursion?

Get introduced to the concept of recursion.

We'll cover the following...

Introduction to recursion
- Example program

Introduction to recursion

Suppose you are standing in a line to buy a movie ticket. You want to know the price of the ticket, but only the first person in line knows the price.

You can approach the first person and ask him the price directly. However, if you leave the ...