#include <iostream> using namespace std; int main() { cout << "Hello World!"; return 0; }
#include <iostream> int main() { std::cout << "Hello, World!"; // prints 'Hello, World!' to the output. return 0; }
#include <iostream> using namespace std; int main(){ cout<<"Hello World!"<< endl; // prints "Hello World" return 0; }
#include <iostream> int main() { std::cout << "Hello World!"; //cout keyword prints "Hello World!" return 0; }
cout << "hello world"