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C++

C++

C++ is a general-purpose programming language that supports procedural, object-oriented, generic and functional programming styles. C++ is deployed on billions of devices from the smallest embedded microprocessor to the largest supercomputer.

Master C++ with
Interactive Learning

Elevate your C++ skills through 101 curated exercises across 15 core concepts. Master problem-solving with a structured learning path designed for modern developers.

C++

About C++

C++ (pronounced cee plus plus) is a general purpose programming language developed by Bjarne Stroustrup starting in 1979 at Bell Labs. It is immensely popular, particularly for applications that require speed and/or access to some low-level features. It is considered to be an intermediate level language, as it encapsulates both high and low level language features.

C++ supports procedural, object-oriented, functional and generic programming. Compilers for C++ are available for essentially every platform, including Windows, Mac OS, and Linux.

Key Benefits:

  • Type safety: Encapsulate necessary unsafe operations
  • Resource safety: Not all resource management is managing memory
  • Performance: For some parts of almost all systems, it's important
  • Predictability: For hard and soft real-time systems
  • Teachability: Complexity of code should be proportional to the complexity of the task
  • Readability: People and machines ("analyzability")
  • Direct map to hardware: of instructions and fundamental data types
  • Zero-overhead abstraction: Classes with constructors and destructors, inheritance, generic programming, functional programming techniques

The standard for C++ is maintained by the International Organization for Standardization (ISO), and the current version of C++ as of June 2018 is C++17 (named not as the 17th version of C++, but rather signifying that the standard was ratified in 2017).

The best thing about C++ is that it runs on everything from embedded processors with very limited resources to the largest mainframe supercomputer and every personal computer in between.

Key Features of C++

Fast execution speed

With execution speed in mind, C++ is used in a wide range of computation-intensive domains.

Multi-paradigm

C++ supports a variety of programming paradigms like OOP, functional and procedural programming.

High-level programming

C++ standardizes a comprehensive library, enabling the developer to concentrate on the problem.

Low-level programming

C++ masters the strength of its predecessor C and gives the developer access to the bits and bytes.

Popular

Thanks to the flexibility and portability, you can find applications written in C++ in every scale.

Ever-evolving

Although mature, C++ is still evolving and developed by a committee to fit the developers needs.

Track icon

Fast execution speed

With execution speed in mind, C++ is used in a wide range of computation-intensive domains.

Multi-paradigm

C++ supports a variety of programming paradigms like OOP, functional and procedural programming.

High-level programming

C++ standardizes a comprehensive library, enabling the developer to concentrate on the problem.

Low-level programming

C++ masters the strength of its predecessor C and gives the developer access to the bits and bytes.

Popular

Thanks to the flexibility and portability, you can find applications written in C++ in every scale.

Ever-evolving

Although mature, C++ is still evolving and developed by a committee to fit the developers needs.

A taste of C++ concepts you'll cover

Ba

Basics

Na

Namespaces

Bo

Booleans

St

Strings

In

Includes

Nu

Numbers

Co

Comparisons

If

If Statements

Lo

Loops

Cl

Classes

Ar

Arrays and Vectors

Sw

Switch Statements

En

Enumerations

Re

References

He

Headers

Fu

Functions

Po

Pointers

Au

Auto

Sm

Smart Pointers

Li

Literals

Dive into C++ practice challenges

Hello World
Hello World
Level 1

SlaveCode's classic introductory exercise. Just say "Hello, World!".

Leap
Leap
Level 1

Determine whether a given year is a leap year.

Reverse String
Reverse String
Level 2

Reverse a given string.

Space Age
Space Age
Level 1

Given an age in seconds, calculate how old someone is in terms of a given planet's solar years.

Triangle
Triangle
Level 3

Determine if a triangle is equilateral, isosceles, or scalene.

Grains
Grains
Level 2

Calculate the number of grains of wheat on a chessboard given that the number on each square doubles.