fork(10) download
copy 
  1. #include <iostream>
  2. #include <vector>
  3. struct Base {
  4.     virtual void f() { std::cout << "Base\n"; }
  5.     virtual ~Base(){}
  6. };
  7. struct Derived : Base {
  8.     void f() { std::cout << "Derived\n"; }
  9. };
  10. int main()
  11. {
  12.     std::vector<Base> v;
  13.     v.push_back(Derived());  // bad idea
  14.     v[0].f();
  15. }
  16.  
Success #stdin #stdout 0s 2856KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Base
https://ideone.com/5WmjZ
language:
C++ (gcc 8.3)
created:
12 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!