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  1. #include<iostream>
  2. using namespace std;
  3. class A
  4. {
  5. private:
  6. public:
  7.     virtual void DoIt(void)=0;
  8.     A(void){};
  9.     ~A(void){};
  10. };
  11. class B:
  12.         public A
  13. {
  14. private:
  15.     int Num;
  16. public:
  17.     virtual void DoIt(void){Num=7;cout<<"its done";};
  18.     B(void){};
  19.     ~B(void){};
  20. };
  21. A& returnValue(void) 
  22. {
  23.         B item;
  24.     return item;
  25. }
  26. int main()
  27. {
  28.     A& item=returnValue();
  29.     item.DoIt();
  30.     return 0;
  31. }
Runtime error #stdin #stdout 0s 2848KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/WDzAUM
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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