fork download
copy 
  1. #include <iostream>
  2. using namespace std;
  3.  
  4.  
  5. struct A{
  6.    A(){cout<<"+A "<<this<<endl;}
  7.    ~A(){cout<<"-A "<<this<<endl;}
  8.    virtual void test(){}
  9. };
  10. struct B:A{
  11.    B(){cout<<"+B "<<this<<endl;}
  12.    ~B(){cout<<"-B "<<this<<endl;}
  13.    virtual void test(){}
  14. };
  15.  
  16. int main(){
  17.    cout<<sizeof(A)<<" "<<sizeof(B)<<endl;
  18.    {
  19.       A *a=new B;
  20.       delete a;
  21.    }
  22. }
  23.  
Success #stdin #stdout 0s 4536KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
8 8
+A 0x55eba7b45e80
+B 0x55eba7b45e80
-A 0x55eba7b45e80
https://ideone.com/4GTp1H
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!