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Showing content from https://www.tutorialspoint.com/how-to-compile-and-run-the-cplusplus-program below:

How to compile and run the C++ program?

The C++ programming language is a set of instructions that tells the compiler how to perform specific tasks. These instructions consist of functions and statements, which, when compiled and executed, tell the computer what action to perform. 

To compile and execute the program following prerequisites need to be met.

• Compiler: Any compiler downloaded and installed, like GCC, Clang, or MSVC, or an IDE (like Visual Studio Code, Code::Blocks, or Eclipse).
• Source program: And a source program file saved as name.cpp (example: Myfile.cpp)

Here are the following instructions to compile and run the program.

In this, you have to open the command line interface (CLI) of your operating system.

For Windows: Use Command Prompt (type cmd in the search bar) or PowerShell

For Mac\Linux: Open Terminal app

For this, you need to write a command. Here, cd stands for "change directory".

For Windows Command Prompt (CMD) and PowerShell: 

cd C:\Users\<yourUsername>\Documents</yourusername>

For Linux/Mac (Terminal):

cd /home/<YourUsername>/Documents

For example, if your file is saved in C:/Users/Dell/Documents, then you will type

cd C:/Users/Dell/Documents

Assume you have a C++ file saved a Myfile.cpp; therefore, you will write the following command next. This command is the same for all Windows, Linux, and Mac. 

$ g++ -o my_program Myfile.cpp

Finally, just run the given program using the command. Here, ./ means the current directory.

$ ./my_program

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