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  1. #include <iostream>
  2. using namespace std;
  3. class Square
  4. {
  5. public:
  6.   double length; // Довжина квадрата
  7.   double width;  // Ширина квадрата
  8.  
  9.   Square(double l, double w) // Конструктор
  10.   {
  11.     length = l;
  12.     width = w;
  13.   }
  14.  
  15.   double Area()
  16.   {
  17.     return length * width;
  18.   }
  19. };
  20.  
  21. int main(void)
  22. {
  23.   Square a(2.0, 3.0), b(6.5, 7.2), *c;
  24.   c = &a;
  25.   cout<< c->Area()<<endl;
  26.   //cout<<(*c).Area(); // Альтернативний запис
  27.   c = &b;
  28.   cout<< c->Area()<<endl;
  29.   return 0;
  30. }
  31.  
Success #stdin #stdout 0s 5320KB
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46.8
https://ideone.com/wysOmA
language:
C++14 (clang 8.0)
created:
7 hours ago
visibility:
public

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