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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class X { public:                       
  5.   virtual X& g (int a) {                  
  6.     cout << 4 << endl; return *this; }       
  7.   virtual void f (X& ob) { ob.g(1);          
  8.     cout << 3 << endl; }                     
  9. };                                                 
  10. struct Y: X { Y() { }                                         
  11.   Y (const Y& ob) { }                        
  12.   Y& g (int a) {                                              
  13.     cout << 9 << endl; return *this; }       
  14.   virtual void f (Y& ob) { ob.g(7);     
  15.     cout << 8 <<endl; }
  16. };
  17.  
  18. int main() { 
  19.    X *p = new Y();
  20.    try { Y x, *r = &x;
  21.          X *p = new Y();
  22.          X().f(x); p-> f(x); r -> f(x);
  23.          try { throw Y(); cout << 10 << endl; }
  24.          catch (X&){cout << 11 << endl; }
  25.  
  26.          cout << 12 << endl; }
  27.    catch (Y&)      {cout << 13 << endl; }
  28.    cout << 14 << endl;
  29.    delete p; return 0;
  30. }
Success #stdin #stdout 0.01s 5324KB
comments (?)
stdin
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Standard input is empty
stdout
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9
3
9
3
9
8
11
12
14
https://ideone.com/zOWfnB
language:
C++14 (gcc 8.3)
created:
1 day ago
visibility:
public

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