n , t and r in C++

#include <iostream>
#include <windows.h>
using namespace std;
int main()
{
    cout<<"\rHELLO";
    Beep(0,2000);
    cout<<"\rhello";
    cout<<"\n\n\nHELLO\nhello\n\n\n";
    cout<<"\t\tHELLO\t\thello";
}