c 2b 2b hello world

1// Your First C++ Program
2
3#include <iostream>
4
5int main() {
6    std::cout << "Hello World!";
7    return 0;
8}
9

1#include <iostream>
2
3int main(int argc, char* argv[]) {
4    std::cout << "Hello World!" << std::endl;
5    
6    return 0;
7}

1#include <iostream>
2
3int main() {
4    std::cout << "Hello World!";
5    return 0;
6}
7//If you are a web developer, please give https://code.ionicbyte.com/ a try

1#include<iostream>
2
3using namespace std;
4
5int main()
6{
7    cout<<"Hello World";
8     
9    return 0;
10}

1#include <iostream>
2
3int main()
4{
5  std::cout << "Hello, C++!" << std::endl;
6  return 0;
7}

1
2#include<iostream>
3 
4using namespace std;
5
6int main()
7{
8    cout<<"Hello World";
9     
10    return 0;
11}

1#include <iostream>
2using namespace std;
3int main()
4{
5    cout << "Hello World" << endl;
6    return 0;
7}

1#include <iostream>
2
3int main() {
4    std::cout << "Hello World!";
5    return 0;
6}
7

1#include <iostream>
2using namespace std;
3
4int main(){
5  
6  cout<<"Hello, World!";
7  
8  return 0;
9}

1#include <iostream>
2
3int main() {
4    std::cout << "Hello World!" << std::endl;
5    return 0;
6}