Popular C++ Coding Challenges of All Time (2022 Update)

— Aryan K on Jan 27, 2022

Last Modified : Apr 28, 2024

C++ is one of the most powerful and popular programming languages out there. Infact, its predecessor C is the mother of most programming languages, operating systems, compilers/interpreters alive today. So you can now understand how powerful the language is and how broad its reach expands.

Learning C++ not only helps you learn this language itself but also opens doors for learning various other programming languages as well. In this post, you'll walkthrough each and every common coding challenges in C++ that will help you understand the coding concepts, master algorithms and other tiny details. Before you start, let me just help you setup a Development Environment where you can practice your coding.

Setting up a Development Environment

It is important to setup a development environmen in order to write code efficiently. Well, there are many IDEs available online and offline today. We'll take a look at a few popular ones.

Online C++ IDEs

An online IDE for C++ is just a google search away, these are some of the popular and well established IDE's online. You can try them out with your code as well.

Desktop C++ IDEs

There are many popular desktop IDE's for C++. These IDE's are way more reliable and comfortable than online IDEs. Also, these will be faster and more efficient in terms of experience as all the code will be compiled and executed on your computer and without an internet connection. Lets take a look at some of the popular, reliable and faster to get started with IDEs for C++.

Codeblocks: Codeblocks is a popular IDE for C++ and has been around for a while now. It's easier to setup and get started with building C++ applications.
DevC++: DevC++ is another well eastablished IDE for C++ you can use to write your C++ code in.
VSCode (Recommended): VSCode is the most popular of all IDEs in use today. You can configure and use it with any programming language out there. It simple and easier to get started with and features a very powerful and extensive interface.

Check this guide Setting Up VS Code for C++ Development

Writing the First C++ Program — Hello World

"Hello World" is the simplest of program you can write in C or C++. If you're getting started learning C++ you should start with this short program. Write a program to print "hello world" in C or C++

Program to Add Two Integers From User Input

A C++ program to accept two numbers from user input and print their sum on scree. This program accepts two integers from a user and prints it sum back.

C++ Program to Multiply Two Floating Point Numbers From User Input

C++ program to accept two floating point numbers from a user and print its product on screen. A very simple program that teaches you use of float data type and calculations.

Program to Print Pyramid Patterns with Asterisk (*) Character

A very simple program to print pyramid pattern with star character using different looping techniques. This type of challenges are best to understand the concept of nested loops.

Program to Compare & Print The Largest of Two Numbers

A very simple program to compare and print the largest of two given numbers.

Check Whether a Given Number is Even or Odd?