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  1. class A {};
  2.  
  3. class B {
  4. public:
  5. A &a;
  6. B(A &na) : a(na) {}
  7. };
  8.  
  9. class C : public B {
  10. public:
  11. C(A &na) : B(na) {}
  12. };
  13.  
  14. int main() {
  15. A a;
  16. C c(a);
  17. return 0;
  18. }
Success #stdin #stdout 0s 3292KB
stdin
Standard input is empty
stdout
Standard output is empty