fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3. class Rectangle
  4. {
  5. private:
  6. float length;
  7. float breadth;
  8. friend void calcArea(Rectangle); // Function Prototype
  9. };
  10. void calcArea(Rectangle r1)
  11. {
  12. r1.length = 5;
  13. r1.breadth = 10;
  14. cout << "Area is: " << r1.length * r1.breadth;
  15. }
  16. int main()
  17. {
  18. Rectangle r1;
  19. calcArea(r1);
  20. return 0;
  21. }
Success #stdin #stdout 0s 5588KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Area is: 50
https://ideone.com/Il1KVa
language:
C++ (gcc 8.3)
created:
2 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!