It seems as though you've done everything up until this point. For this section you need to:


somehow prompt the user for some coordinates
use these coordinates to form some lines
sum the...

Sorry dougy83, you are correct, and thanks for helping my understanding. :)

You write it like this:

int main()
{
int x, y;
cin >> x;
cin >> y;
if (x==0 && y==0)
// the && means and, use || for or
{

You use const in this situation because the strings aren't going to change, you want them to remain constant.

The char * is an object type in C++ that literally means "pointer to char". The char...

I'm pretty sure this should work:

char c;
cin >> c;

I haven't tried it, but it only allows for a one character input I think...