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  1. #include <iostream>
  2. #include <string>
  3. using namespace std;
  4. class sample{
  5.    int length, breadth;
  6.  
  7.    public:
  8.    sample(int length, int breadth):length(length),breadth(breadth)
  9.    {}
  10.    friend void calcArea(sample s); //friend function declaration
  11.  
  12. };
  13.  
  14. void calcArea(sample s)
  15. {
  16.    cout<<"Area = "<<s.length * s.breadth;
  17. }
  18. int main()
  19.    {
  20.       sample s(10,15);
  21.       calcArea(s);
  22.  
  23.       return 0;
  24. }
  25.  
Success #stdin #stdout 0s 4472KB
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stdin
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Standard input is empty
stdout
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Area = 150
https://ideone.com/2Tj2Mj
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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