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#include <iostream>
#include <cmath>
using namespace std;
class Point
{ int x, y;
public:
Point() { x=y=0; }
Point(int e, int w) { x=e; y=w; }
void Set(int e, int w) { x=e; y=w; }
float Distance (Point p) const // p.168
{ float c, d;
int x0, y0;
x0 = x - p.x;
y0 = y - p.y;
c = (x0 * x0) + (y0 * y0);
d = sqrt(c);
cout << d << "\n";
return d;
}
void Print()
{ cout << "(" << x << ", " << y << ")"; }
};
int main()
{
Point ugh(2,3);
Point agh(3,1);
cout << "Distance is: ";
ugh.Distance(agh);
return 0;
}