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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. class string_extend:public string{
  5.     public:
  6.         using string::string;
  7.  
  8. };
  9. int main(){
  10.     string_extend a("amd");
  11.     string_extend b(a);
  12.     cout<<a<<b;
  13. 	return 0;
  14. }
Success #stdin #stdout 0s 3456KB
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stdin 
Standard input is empty
stdout 
amdamd
https://ideone.com/XwxDvk
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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