[QUOTE]Originally posted by HarryW
Code:
#include <iostream>
#include <stdlib.h>

using namespace std;

int main()
{
	cout << "Hello World" << endl;
	system("cls");

	return 0;
}
[\QUOTE]

cstdlib is the standard header for stdlib.h.

so the code would be:

Code:
#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
	cout << "Hello World" << endl;
	system("cls");

	return 0;
}