fork download
copy 
  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. class Cfigure
  6. {
  7. };
  8.  
  9. class Ctriangle : public Cfigure
  10. {
  11. private:
  12.     int side;
  13.     double height;
  14. public:
  15.     Ctriangle(int s) { side = s; }
  16.     double sheight() { return side * sqrt(3) / 2; }
  17.     int sside() { return side; }
  18. };
  19.  
  20. class Crectangle : public Cfigure
  21. {
  22. private:
  23.     int sidex;
  24.     int sidey;
  25. public:
  26.     Crectangle(int x, int y) { sidex = x; sidey = y; }
  27.     int field() { return sidex * sidey; }
  28.     int ssidex() { return sidex; }
  29.     int ssidey() { return sidey; }
  30. };
  31.  
  32. int main()
  33. {
  34. 	Ctriangle t(4);
  35. 	Crectangle r(3,5);
  36. 	Cfigure *wsk;
  37. 	wsk = &t; // lub *wsk = t;
  38. 	//wsk->sside(); // to zadziała, chrzani waść poczytaj co pisze kompilator
  39. 	((Ctriangle*)wsk)->sside();
  40. 	wsk = &r; // moment błędu
  41. 	// wsk->ssidex(); // nie działa, owszem poczytaj co pisze kompilator
  42. 	((Crectangle*)wsk)->ssidex();
  43.     return 0;
  44. }
Success #stdin #stdout 0s 3336KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/AI1Uan
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!