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  1.    #include <cmath>
  2.     #include <iostream>
  3.  
  4.     using namespace std;
  5.  
  6.     class Point
  7.     {
  8.     private://Данные -члены(закрытые)
  9.     int x,y;
  10.     public: //функции -члены
  11.     friend Point operator+(Point pt1,Point pt2);
  12.     void set(int new_x,int new_y);
  13.     int get_x();
  14.     int get_y();
  15.     double operator%(Point &pt);
  16.     };
  17.  
  18.     double Point::operator%(Point &pt)
  19.     {
  20.     int d1=pt.x-x;
  21.     int d2=pt.y-y;
  22.     return sqrt((double)(d1*d1+d2*d2));
  23.     }
  24.   Point operator+(Point pt1,Point pt2){
  25. 		 Point new_pt;
  26. 		int a=pt1.x+pt2.x;
  27. 		 int b=pt1.y+pt2.y;
  28. 		 new_pt.set(a,b);
  29. 		 return new_pt;
  30. 	 }    
  31. int main()
  32. {
  33. Point pt1,pt2;
  34. pt1.set(10,20);
  35. cout<<"pt1 is"<<pt1.get_x();
  36. cout<<","<<pt1.get_y()<<endl;
  37. pt2.set(-5,-25);
  38. cout<<"pt2 is"<<pt2.get_x();
  39. cout<<","<<pt2.get_y()<<endl;
  40. pt1.set(20,20);
  41. pt2.set(24,23);
  42. cout<<"расстояние "<<pt1%pt2<<endl;
  43.  
  44. return 0;
  45. }   
  46.     void Point::set(int new_x,int new_y)
  47.     {
  48.     if (new_x<0)
  49.     new_x*=-1;
  50.     if(new_y<0)
  51.     new_y*=-1;
  52.     x=new_x;
  53.     y=new_y;
  54.     }
  55.  
  56.     int Point::get_x()
  57.     {
  58.     return x;
  59.     }
  60.  
  61.     int Point::get_y()
  62.     {
  63.     return y;
  64.     }
Success #stdin #stdout 0s 3296KB
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stdin
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Standard input is empty
stdout
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pt1 is10,20
pt2 is5,25
расстояние 5
https://ideone.com/auklrD
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
public

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