Hello world in C++

Vincent Yu
Vincent Yu
1 min read Jul 31, 2026

Hello there, here is the full code of C++ Hello World.

#include <iostream>

int main() {
    std::cout << "Hello world\n";
    return 0;
}

Expected output:eoz3qgzvodgrjgcllpsq?_a=BAAHWXE0

NB: This code should work well in any C++ versions.

Technology