Summary - C++ basics

Combine main, cout and cin to write your first C++ program.

In this section you learned the building blocks of C++:

Now you will combine these concepts by writing a small program.

Exercise Write a welcome message

Add a std::cout line inside the empty main. The output must be Hello C++. End the line with std::endl.

Show example solution

#include <iostream>

int main() {
    std::cout << "Hello C++" << std::endl;
    return 0;
}

Add a // comment to the program and produce the output Let us start with std::cout. End the line with std::endl.

Show example solution

#include <iostream>

int main() {
    // Welcome message
    std::cout << "Let us start" << std::endl;
    return 0;
}

Program skeleton

#include <iostream>

int ____() {
    return 0;
}

Show answer

#include <iostream>

int main() {
    return 0;
}