#include <iostream>

int main() {
    std::cout << "Hello, world!" << std::endl;
    return 0;
}

This is a simple C++ program that outputs “Hello, world!” to the console. The #include <iostream> line includes the input/output stream library, which allows us to use the std::cout and std::endl commands to output text to the console. The int main() function is the entry point of the program and the std::cout command prints the string “Hello, world!” followed by a newline, which is represented by std::endl. The return 0; line indicates that the program has successfully completed and exits with a status of 0.

Hello world in c++

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