[ANSWER] Simple C++ challenge

//C++ challenge! Change ONE character in the following code to make it print "x" 20 times.


//Answer 1:

int i, n = 20;

for (i = 0; i < n; n--)
{
    cout << "x" << endl;
}

//Answer 2:

int i, n = 20;

for (i = 0; -i < n; i--)
{
    cout << "x" << endl;
}

//Answer 3:

int i, n = 20;

for (i = 0; i + n; i--)
{
    cout << "x" << endl;
}