Calculate square root of an integer with cmath library in C++
Tuesday, July 02, 2024 in C++
Categories:
2 minute read
The provided C++ code is a simple program that calculates the square root of a user-provided number. It begins by including the necessary libraries, iostream for input/output operations and cmath for mathematical operations. Code #include …
User input with cin function in C++
Tuesday, July 02, 2024 in C++
Categories:
2 minute read
The provided C++ code is a simple console application that prompts the user to enter an integer, outputs the entered integer, doubles the entered integer, and then outputs the doubled value. Code #include <iostream> // Include the iostream …
Converting types with static_cast in C++
Tuesday, July 02, 2024 in C++
Categories:
2 minute read
The provided C++ code is a simple demonstration of the static_cast operator, which is used to convert an expression to a new type. Code // This program demonstrates the use of static_cast in C++ // static_cast<newtype>(expr) is used to cast an …
How to print an integer in different number systems: hexadecimal, decimal, and octal?
Tuesday, July 02, 2024 in C++
Categories:
3 minute read
The provided C++ code is a simple program that demonstrates how to print an integer in different number systems: hexadecimal, decimal, and octal. Code /** * This is the main function of the program. * It demonstrates different ways to print an …
The use of basic comparison operators in C++
Monday, July 01, 2024 in C++
Categories:
4 minute read
The provided C++ code is a simple console application that demonstrates the use of basic comparison operators in C++. Code #include <iostream> using namespace std; int main() { // Initialize two integer variables x and y int x = 0, y = 0; // …
Char type and usage examples in C++
Monday, July 01, 2024 in C++
Categories:
5 minute read
The provided C++ code is a demonstration of how to manipulate and display characters and their ASCII values. It also includes a brief explanation of escape characters in C++. Code #include <iostream> using namespace std; // Main function int …
Shortcut operators in C++
Monday, July 01, 2024 in C++
Categories:
3 minute read
The provided code is a C++ program that demonstrates the use of shortcut operators. It includes the iostream library, which is used for input/output operations, and the std namespace is being used. Code /** * Main function to demonstrate shortcut …
The usage of pre-increment and post-increment operators
Monday, July 01, 2024 in C++
Categories:
3 minute read
This code snippet demonstrates the usage of pre-increment and post-increment operators in C++. Code /** * Main function that demonstrates the usage of pre-increment and post-increment operators. * * @return 0 indicating successful execution * * …
Simple demonstration of operator precedence and type casting in C++
Monday, July 01, 2024 in C++
Categories:
4 minute read
The provided C++ code is a simple demonstration of operator precedence and type casting in C++. Code // Let's demonstrate how to use operator priority in C++ #include <iostream> using namespace std; int main() { int num1 = 1; int num2 = 2; …
Arithmetic and Logical operators in C++
Monday, July 01, 2024 in C++
Categories:
4 minute read
This code snippet demonstrates various operators in C++: Arithmetic operators: Multiplication, Division, Addition, Subtraction, Modulus Increment and Decrement operators Assignment operator Comparison operators: Equal, Greater, Less, Not Equal, …
float type and its usage in C++
Monday, July 01, 2024 in C++
Categories:
5 minute read
The provided C++ code is a demonstration of how to use and display floating point numbers in different formats using the iostream and iomanip libraries. #include <iostream> #include <iomanip> using namespace std; int main() { float f = …
Comment types in C++
Sunday, June 30, 2024 in C++
Categories:
less than a minute
We are demontrating single line and multi line comments in C++ #include <iostream> using namespace std; // we will demonstrate the use of comments in this program int main() { // This is a single line comment cout << "Hello, …
What are the keywords in C++
Sunday, June 30, 2024 in C++
Categories:
less than a minute
C++ has a set of reserved keywords that have special meanings to the compiler. These keywords cannot be used as identifiers (names for variables, functions, classes, etc.). Here is a list of C++ keywords: alignas alignof and and_eq asm auto bitand …
Common data types in C++
Sunday, June 30, 2024 in C++
Categories:
less than a minute
C++ supports several different data types. Here are some of the most common ones: Integer types (int): These are used to store whole numbers. The size of an int is usually 4 bytes (32 bits), and it can store numbers from -2,147,483,648 to …
Create variables and assign values to them in C++
Sunday, June 30, 2024 in C++
Categories:
2 minute read
In C++, you can create variables and assign values to them in the following way: Declare a variable by specifying its type followed by the variable name. For example, int myVariable; declares a variable named myVariable of type int. Assign a value to …
Correct and incorrect variable naming conventions in C++
Sunday, June 30, 2024 in C++
Categories:
3 minute read
This program example demonstrates the correct and incorrect variable naming conventions in C++ /** * @file main.cpp * @brief This program demonstrates the correct and incorrect variable naming conventions in C++. */ #include <iostream> using …
The use of octal, binary and hexadecimal literals in C++
Sunday, June 30, 2024 in C++
Categories:
3 minute read
This function defines three integer variables, each initialized with a different type of literal (hexadecimal, octal, binary). It then prints the values of these variables to the console. /** * @file main.cpp * @author ibrahim * @date 30-06-2024 * …
C++ int variable with different defining ways
Sunday, June 30, 2024 in C++
Categories:
2 minute read
We are explaining the use of int variables with different defining ways // Creator: ibrahim (30.06.2024 00:00) /** * @file main.cpp * @brief Demonstrates the use of int with different defining ways in C++ */ #include <iostream> /** * @brief …
C++ Hello World with explanaition
Sunday, June 30, 2024 in C++
Categories:
2 minute read
We tried to explain the most simple C++ program for beginners. #include <iostream> int main() { std::cout << "Hello, World!" << std::endl; return 0; } The provided code is a simple C++ program that prints “Hello, …
C++ Defining a Pointer and changing its value
Friday, June 28, 2024 in C++
Categories:
2 minute read
In this example, we define a pointer and show how to view and change its value. /** * @brief Main function that demonstrates pointer manipulation. * * This function initializes an integer variable `value` with the value 10. * It then creates a …