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  1. #include<iostream>
  2. using namespace std;
  3. class rectangle
  4. {
  5. private:
  6.     int length;
  7.     int width;
  8. public:
  9.     rectangle()
  10.     {
  11.         length = 0;
  12.         width = 0;
  13.           cout<< "Constructor called"<<endl;
  14.     }
  15.     ///constructor
  16.     rectangle(int length, int width)
  17.     {
  18.         this->length=length;
  19.         this->width=width;
  20.         cout<< "Constructor called"<<endl;
  21.     }
  22.     ///copy constructor
  23.     rectangle(const rectangle &object)
  24.     {
  25.         length = object.length;
  26.         width = object.width;
  27.         cout<< "Copy Constructor called"<<endl;
  28.     }
  29.     ~rectangle(){cout<< "Destructor called"<<endl;}
  30.     void area_display ()
  31.     {
  32.         cout << "Area: " << length*width <<endl;
  33.  
  34.     }
  35.     friend rectangle Modify(rectangle);
  36.  
  37. };
  38. rectangle Modify(rectangle r)
  39. {
  40.     r.length = r.length*2;
  41.     r.width = r.width*3;
  42.     return r;
  43. }
  44.  
  45. int main()
  46. {
  47.     int l,w;
  48.     cin>>l>>w;
  49.     rectangle r(l,w),m;
  50.     r.area_display();
  51.     m=Modify(r);
  52.     m.area_display();
  53.  
  54. }
  55.  
Success #stdin #stdout 0s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
Constructor called
Constructor called
Area: 1139485304
Copy Constructor called
Copy Constructor called
Destructor called
Destructor called
Area: -1753022768
Destructor called
Destructor called
https://ideone.com/XsybTV
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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