Answers for "std cout c++"

cout value c++

#include <iostream>

using namespace std;

int main()
{
	int a,b;
	char str[] = "Hello Programmers";
	
	/* Single insertion operator */
	cout << "Enter 2 numbers - ";
	cin >> a >> b;
	cout << str;
	cout << endl;
	
	/* Multiple insertion operator */
	cout << "Value of a is " << a << endl << "Value of b is " << b;
	
	return 0;
}

std cout c++

#include <iostream>
using std::cout;
int main()
{ 
  	cout<<"Hello world";
    return 0;
}

how to cout in c++

std::cout << "Hello World!" << std::endl; //Or you can do
std::cout << "Hello World!" <<; //Only in some scenarios

std::cout and cout

//c++
cout and std::cout both are same, but the only difference is that if we 
use cout, namespace std must be used in the program or if you are not 
using std namespace then you should use std::cout.