C++-Hello world
using namespace std;
int main()
{
cout<<"Hello world!"<<endl;
return 0;
}
#include<bits/stdc++.h>
using namespace std;
int main()
{
cout<<"Hello world!"<<endl;
return 0;
}
#include<bits/stdc++.h>
using namespace std;
int main()
{
cout<<"Hello world!"<<endl;
return 0;
}