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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class B
  5. {
  6. public: void foo() { cout << "hui"; };
  7. };
  8.  
  9. class A : public B
  10. {
  11. public: void foo() { cout << "parent class are "; B::foo(); };
  12. };
  13.  
  14. int main() {
  15. A a;
  16. a.foo();
  17. return 0;
  18. }
Success #stdin #stdout 0s 3468KB
stdin
Standard input is empty
stdout
parent class are hui