Answers for "printing a variable in c++"

c++ output

#include <iostream>

int main(){
  std::cout << "Hello World!" << std::endl; // prints "Hello World"
}

how to print integer in c++

#include <iostream>
using namespace std;

int main()
{    
    int number;

    cout << "Enter an integer: ";
    cin >> number;

    cout << "You entered " << number;    
    return 0;
}