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  1. #include <iostream>
  2.  
  3. using namespace std;
  4.  
  5. class A {
  6. protected:
  7.     int val;
  8. public:
  9.     A(int x) : val(x) {}
  10. };
  11.  
  12. struct B : public A {
  13.     B(int x) : A(x) {}
  14. };
  15.  
  16. struct C : public B {
  17.     C(int x) : B(x) {}
  18.     void show() {
  19.         cout << val << endl;
  20.     }
  21. };
  22.  
  23. int main() {
  24. 	C c(123);
  25.     c.show();
  26. 	return 0;
  27. }
Success #stdin #stdout 0.01s 2680KB
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stdin
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Standard input is empty
stdout
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123
https://ideone.com/HZLPKN
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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