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#include<iostream>
using namespace std;
class Point
{
public:
Point(int xx=0,int yy=0)
{
x=xx;
y=yy;
}
Point(Point &p);
int getX(){
return x;
}
int getY(){
return y;
}
private:
int x,y;
};
Point::Point(Point &p)
{
x=p.x;
y=p.y;
cout<<"caling"<<endl;
}
void fun1(Point p)
{ cout<<p.getX()<<endl;}
Point fun2()
{
Point a(1,2);
return a;
};
int main()
{
Point a(4,5);
Point b=a;
cout<<b.getX()<<endl;
fun1(b);
b=fun2();
cout<<b.getX()<<endl;
return 0;
}