Manipulates user input of coordinates to
calculate distance between two points on a 2D plane.
#include
<iostream.h>
#include
<math.h>
#include<conio.h>
void
main()
{
//Variable declarations
double x1, y1, x2, y2;
clrscr();
//Output to prompt user to input an
x and y coordinate
cout << "Please enter and
a point on a two dimensional graph, x coordinate first." << endl;
cin >> x1 >> y1;
cout << "Please enter
another point on the graph, x coordinate first." << endl;
cin >> x2 >> y2;
cout << "You have entered
the coordinates for the points: (" << x1 << ","
<< y1 << ")" <<
" and (" << x2 << "," << y2
<< ")" << endl;
double d, x0, y0;
x0 = (x2-x1)*(x2-x1);
y0 = (y2-y1)*(y2-y1);
d = sqrt (x0 + y0);
cout<<x0;
cout<<y0;
cout << "The distance
between the points you entered is: " << d << endl;
getch();
}
