c++ hello word
#include<iostreme> using namespace std; int main(){ cout<<"Hello World!"; return 0; }
c++ hello wrold
#include<iostream> using namespace std; int main(){ cout <<"Hello world"<<endl; return 0;
#include<iostreme> using namespace std; int main(){ cout<<"Hello World!"; return 0; }
#include<iostream> using namespace std; int main(){ cout <<"Hello world"<<endl; return 0;