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  1.     #include <stdio.h>
  2.  
  3.     //У
  4.     class op1
  5.     {
  6.         protected:
  7.            int a;
  8.            double d;
  9.            bool b;
  10.         public:
  11.            op1(int _a=0,  double _d=0,  bool _b=0) :    a(_a),  d(_d),  b(_b)
  12.            {}
  13.  
  14.            op1 operator+(op1 &ob)
  15.            {
  16.                a = a + ob.a;
  17.                d = d + ob.d;
  18.                b = (b || ob.b);
  19.                return *this;
  20.            }
  21.  
  22.            op1 operator-(op1 &ob)
  23.            {
  24.                a = a - ob.a;
  25.                d = d - ob.d;
  26.                if (b && !ob.b)   { b = true;    return *this;}
  27.                if (b && ob.b)    { b = false;   return *this;}
  28.                if (!b && !ob.b)  { b = true;    return *this;}
  29.                if (!b && ob.b)   { b = false;   return *this;}
  30.                return *this;
  31.            }
  32.  
  33.            void print ()  { printf ("Vot %d, %f,  %d\n", a, d, b);}
  34.  
  35.            op1 operator-()
  36.            {
  37.                a = -a;
  38.                d = -d;
  39.                if (b) { b = false;   return *this;}
  40.                if (!b) { b = true;   return *this;}
  41.                return *this;
  42.            }
  43.  
  44.            bool operator!= (op1 &ob)
  45.            {
  46.                return ( (a!=ob.a)||(d!=ob.d)||(b!=ob.b) );
  47.            }
  48.  
  49.             op1 operator= (const op1 &ob)
  50.            {
  51.                if (this != &ob)
  52.                {
  53.                    a=ob.a;
  54.                    d=ob.d;
  55.                    b=ob.b;
  56.                }
  57.                return *this;
  58.            }  
  59.  
  60.            op1 vstavF( int _a,  double _d, bool _b)
  61.            {
  62.                a=_a; d=_d; b=_b;
  63.                return *this;
  64.            }
  65.  
  66.  
  67.     };
  68.  
  69.     int main ()
  70.     {
  71.         op1 od (25, 555, true);
  72.         od.print();
  73.         op1 dwa ( 47.58,  false);
  74.         dwa.print();
  75.         dwa = od - dwa;
  76.         dwa.print();
  77.         dwa = -dwa;
  78.         dwa.print();
  79.         op1 tri;
  80.         tri = dwa;
  81.         bool nu=true;
  82.         nu = (tri!=dwa);
  83.         printf ("Vot   %d\n",nu);
  84.         tri.vstavF( 44, 98.5, true);
  85.         dwa.print();
  86.         tri.print();
  87.  
  88.      return 0;
  89.     }
Success #stdin #stdout 0s 4312KB
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stdin
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Standard input is empty
stdout
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Vot 25, 555.000000,  1
Vot 47, 0.000000,  0
Vot -22, 555.000000,  1
Vot 22, -555.000000,  0
Vot   0
Vot 22, -555.000000,  0
Vot 44, 98.500000,  1
https://ideone.com/lWeTxz
language:
C++ (gcc 8.3)
created:
6 years ago
visibility:
public

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