7 9 C:\Users\Aliyah\Documents\shut up.cpp [Error] expected unqualified-id before string constant

#include <iostream>
using namespace std;

int main() {
    cout << "Hello World!";
    return 0;
}

Explanation:

1. #include <iostream>: Includes the input/output stream library for C++.

2. using namespace std;: Declares that the program will use the std namespace which contains the standard C++ library functions.

3. int main() {: Begins the main function of the program.

4. cout << "Hello World!";: Outputs the string "Hello World!" to the console using the cout object, which is part of the std namespace.

5. return 0;: Indicates the end of the main function and returns 0 to the operating system, indicating successful program execution.