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Beginner C++ exercises

Read these Beginner C++ snippets line by line — each one comes with a written breakdown of what the code does and why.

30 snippetsBrowse all C++ snippets in the library →

C++ · Beginner

Simple Function Definition

Functions help organize code into reusable blocks. They can take parameters and return values.

functionssyntax

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C++ · Beginner

Conditional Logic with If-Else

Conditional statements allow your program to make decisions based on certain criteria.

controlflow

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C++ · Beginner

Variables and Data Types

C++ is a strongly typed language, meaning you must declare the type of data a variable will hold.

datatypessyntax

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C++ · Beginner

Beginner C++ exercises

Simple Function Definition

Conditional Logic with If-Else

Variables and Data Types

The Basic Structure of a C++ Program

Working with Arrays

Iterating with For Loops

The Standard Namespace (std::)

Declaring Constants with const

Using Code Comments

Iterating with While Loops

Understanding Variables and Data Types

Making Decisions with If-Else Statements

Creating Reusable Code with Functions

Working with Arrays

Understanding Pointers and Memory Addresses

Repeating Actions with Loops

Text Manipulation with std::string

Enumerations for Named Constants

Menu Selection with Switch

User Input with cin

Grouping Data with Structs

Boolean Logic with Logical Operators

Type Inference with the auto Keyword

Constants with const and constexpr

References as Aliases

Introduction to Namespaces

Defining Your First Class

Constructors and Initialization

Basic File Input and Output

The Scope Resolution Operator